The UK has never been especially supportive of human rights; it has a tradition of a sort of live-and-let-live native libertarianism, which is why we don't have ID cards (+), but it also has the tradition of imperialist repression techniques which means that the public are broadly supportive of the military shooting people in the street if they think they might be terrorists.
Also means you need multiple different forms of identity, at least based on my previous experiences with the UK banking and real estate systems.
It’s not even amazingly secure. A few years ago a TV news investigator managed to get a provisional driving license in the name of the blind then-Home Secretary, David Blunkett.
https://www.independent.co.uk/news/uk/politics/conservative-...
(+) however, you need an ID card if you're an immigrant, or want to open a bank account, rent or buy a house, or have a job.