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Facebook is the least trustworthy of all major tech companies when it comes to safeguarding user data, according to a new national poll conducted for Fortune, highlighting the major challenges the company faces following a series of recent privacy blunders. Only 22% of Americans said that they trust Facebook with their personal information, far less than Amazon (49%), Google (41%), Microsoft (40%), and Apple (39%).

In question after question, respondents ranked the company last in terms of leadership, ethics, trust, and image… Public mistrust extended to Zuckerberg, Facebook’s public face during its privacy crisis and who once said that Facebook has “a responsibility to protect your information, If we can’t, we don’t deserve it.” The company subsequently fell victim to a hack but continued operating as usual, including debuting a video-conferencing device intended to be used in people’s living rooms or kitchens and that further extends Facebook’s reach into more areas outside of personal computers and smartphones. Only 59% of respondents said they were “at least somewhat confident” in Zuckerberg’s leadership in the ethical use of data and privacy information, ranking him last among four other tech CEOS…

As for Facebook, the social networking giant may have a difficult time regaining public trust because of its repeated problems. Consumers are more likely to forgive a company if they believe a problem was an aberration rather than a systemic failure by its leadership, Harris Poll CEO John Gerzema said.

The article concludes that “For now, the public isn’t in a forgiving mood when it comes to Facebook and Zuckerberg.”

Robert Jones was driving home through the pretty town of Todmorden, in West Yorkshire, when he noticed the fuel light flashing on the dashboard of his car. He had just a few miles to find a petrol station, which was cutting things rather fine, but thankfully his GPS seemed to have found a short cut – sending him on a narrow winding path up the side of the valley.

Robert followed the machine’s instructions, but as he drove, the road got steeper and narrower. After a couple of miles, it turned into a dirt track, but Robert wasn’t fazed. After all, he thought, he had “no reason not to trust the satnav”.

Just a short while later, anyone who happened to be looking up from the valley below would have seen the nose of Robert’s BMW appearing over the brink of the cliff above, saved from the 100ft drop only by the flimsy wooden fence at the edge he had just crashed into. “It kept insisting the path was a road,” he told the Halifax Courier after the incident. “So I just trusted it. You don’t expect to be taken nearly over a cliff.”

I can imagine Robert was left red-faced by his blunder, but in a way, I think he’s in good company. When it comes to placing blind faith in a piece of software, his mistake was one we’re almost all capable of making. In our urge to automate, in our eagerness to adopt the latest innovations, we appear to have developed a habit of unthinkingly handing over power to machines.

All around us, algorithms provide a kind of convenient source of authority: an easy way to delegate responsibility, a short cut we take without thinking. Who is really going to click through to the second page of Google results every time and think critically about the information that has been served up? Or go to every airline to check if a comparison site is listing the cheapest deals? Or get out a ruler and a road map to confirm that their GPS is offering the shortest route?

But already in our hospitals, our schools, our shops, our courtrooms and our police stations, artificial intelligence is silently working behind the scenes, feeding on our data and making decisions on our behalf. Sure, this technology has the capacity for enormous social good – it can help us diagnose breast cancer, catch serial killers, avoid plane crashes and, as the health secretary, Matt Hancock, has proposed, potentially save lives using NHS data and genomics. Unless we know when to trust our own instincts over the output of a piece of software, however, it also brings the potential for disruption, injustice and unfairness.

If we permit flawed machines to make life-changing decisions on our behalf – by allowing them to pinpoint a murder suspect, to diagnose a condition or take over the wheel of a car – we have to think carefully about what happens when things go wrong.

Back in 2012, a group of 16 Idaho residents with disabilities received some unexpected bad news. The Department of Health and Welfare had just invested in a “budget tool” – a swish piece of software, built by a private company, that automatically calculated their entitlement to state support. It had declared that their care budgets should be slashed by several thousand dollars each, a decision that would put them at serious risk of being institutionalised.

The problem was that the budget tool’s logic didn’t seem to make much sense. While this particular group of people had deep cuts to their allowance, others in a similar position actually had their benefits increased by the machine. As far as anyone could tell from the outside, the computer was essentially plucking numbers out of thin air.

From the inside, this wasn’t far from the truth. It would take four years and a class-action lawsuit to get to the bottom of what was going on, but when the budget tool was eventually handed over for scrutiny, a hint of what we all have to fear from the unrestricted power of machine decision-making was revealed.

The algorithm was junk. The data was riddled with errors. The calculations were so bad that the court would eventually rule its determinations unconstitutional. It had, effectively, been awarding benefits at random. And yet, when dressed up as a slick and glossy new computer programme, the algorithm brought with it an air of authority that was difficult to argue against.

In the days before proper regulation of medicines, you used to be able to bottle up any coloured liquid and make a small fortune selling it as a cure-all. Today, in the still largely unfettered world of AI and algorithms, we’re seeing people make bold, unsubstantiated and sometimes irresponsible claims about their inventions.

There’s only one way to prevent this. I think it’s time we started treating machines as we would any other source of power. I would like to propose a system of regulation for algorithms, and perhaps a good place to start would be with Tony Benn’s five simple questions, designed for powerful people, but equally applicable to modern AI:

“What power have you got?
“Where did you get it from?
“In whose interests do you use it?
“To whom are you accountable?
“How do we get rid of you?”

Because, ultimately, we can’t just think of algorithms in isolation. We have to think of the failings of the people who design them – and the danger to those they are supposedly designed to serve.