I think a better metaphor is driving. In many countries, like the US, driving is extremely widespread and most adults cannot function in the job market without

I think a better metaphor is driving. In many countries, like the US, driving is extremely widespread and most adults cannot function in the job market without being able to drive. However only a minority of them knows how cars work under the hood. Most people understand the pedals and the steering wheel and that's it. Same in tech. People understand there are screens, there are buttons you can click, text input fields you can type things in with the keyboard, on/off switch, sleep/standby, etc. All the things needed to operate it. > for example by losing money from a stolen credit card. I'm in Europe and I don't know anybody who had this happen to them, nor is identity theft a thing here. And this is mostly about phishing and social engineering anyway, not about understanding the tech background of package managers and digital signatures.