In such a system, you can no longer be anonymous, and everything you post is tied to you. It's also incentivized that this is possible due to surveillance capitalism.
I think that this will turn the net into a much more corporate-like entity as you need to mind your image. Like imagine LinkedIn but for everything
Why on earth would you give up the possibility to track people by having a "verified human" level, and spend a bunch of resources on validation, moderation, etc?
There is 0 incentive
I'd say its not all too different from what X did. But there are different technologies at play now. In any case the actual content of your text these days acts already as a kind of signature of llm vs. human made. So this is just codifying it.
After reading this I think I'll read a Steven King book, which will be less horrifying.