You may be legally required to carry it with you. In China this is the case. (Or at least, China publishes a lot of documentation for foreigners claiming it is the case. I don't see why they'd be wrong about that.)
I don't carry my passport with me anyway, because that is crazy, but I don't like being placed in the wrong like that either.
Not in any way victim blaming but there is zero requirement to carry ID in the UK (except if you are young and want to get served for alcohol).
They tried to introduce national ID cards a few times and it got voted down each time.
FWIW I have no issue with a national ID card if it's purely that, Identification but the government couldn't leave it at that and wanted to tie the card to everything.
Turning a reasonable idea into a terrible idea.
Given the way they expand everything to compromise peoples privacy I don't trust them not to do it after the fact either so generally I'm on the no to national ID side.
Hooking it up to other Government systems such as tax, health, immigration, etc could be pretty useful. Currently each of the departments have to figure this out itself, and it is pretty messy from my understanding.
With an ID card, I probably shouldn't need a drivers license or a passport ( ignoring that some contries still stamp your passport, so this might not be achievable ). But I also probably shouldn't be required to carry on unless I'm trying to do something that requires one.
Once we've paid to solve the issue once, we shouldn't be paying over and over again. Next, once you have an identity, do you really want your bank or equifax to pay and build for the exact same thing? Sure they're private entities, but they're private entities that you can't avoid who pass the cost back to you, so why pay again?
On the other hand, this would likely make things like the porn pass easier to implement, so maybe we need to sort out the fact we're living in a nanny state first.
You may be legally required to carry it with you. In China this is the case. (Or at least, China publishes a lot of documentation for foreigners claiming it is the case. I don't see why they'd be wrong about that.)
I don't carry my passport with me anyway, because that is crazy, but I don't like being placed in the wrong like that either.