The issue is the scale and centralization of information. Let's imagine that every bar has to not only check the id of every customer but do it automatically: every time you enter a bar anywhere in the country you must have your id scanned by a government-issued system. Are you still ok with it?
> Yes, in an ideal world, it would all go down to parenting. Since we live in reality, some of that work is shifting to ensuring defaults are in place.
No, they aren't in place at all. It's the parents' job and vast majority of parents do it fine. Nobody wants the Nanny state you propagate.
Only if you apply the same amount of bureaucracy. Most people don't care about the surveillance part at all as long as the UX is convenient (which is why the “I don't have anything to hide” is frustratingly so common).