There are also cases where the [UK’s Online Safety] Act seems to call for user identity verification or authentication, such as for dating sites.
From: The UK’s Online Safety Act is live; now for the hard part | Biometric Update.
I don’t know anything about law, but why would an Act of Parliament “seem to” call for anything? Surely either it does call for something or does not call for something. Unless, of courrse, the Act has been written by lawyers with the express intent of generating court cases.