looks like rendering adblockers extensions obsolete with manifest-v3 was not enough so now they try to implement DRM into the browser giving the ability to any website to refuse traffic to you if you don't run a complaint browser ( cough...firefox )
here is an article in hacker news since i'm sure they can explain this to you better than i.
and also some github docs
Sadly you’re right. Every migration from phpBB to Digg to Reddit filtered the people who made a minimum effort to understand the platforms, and now we have this.
And I remember all the people who were not programmers, and could still setup and administrate their own phpBB…