Similar to copyright, enforcement requires surveillance and empowers censorship. But worse than copyright, it is directly aimed at information about people. So that is what gets surveilled and censored.
Of course, there are positive uses, such as disappearing revenge porn. But in practice, it will always favor the rich and powerful who have the resources to actively manage their image. I don't believe it is worth the massive surveillance and censorship apparatus, even before one gets to the obvious potential for misuse.
Have you heard of the recent Russmedia case?












Fully anonymous. No contest.
ID Verification is only about controlling what is published. Here the promise is that it will suppress bots, but that wouldn't be the only use. Setting up your own little space with ID requirement is absolutely an option. That that's not the default, tells us that overwhelmingly people do not want that.
Anyone who thinks that people using their real name will behave any better can go to Facebook for a reality check.