> If you genuinely need to use an anonymously published app, you will still be able to do that as a user.

I'm pretty sure the goal of Google's changes is to make it so you can't

Android already tells users when they're installing software from outside the Play Store and shows big scary warnings if Play Protect is turned off. What else do you want? If I want to install something from Sketchy McMalwareson after all that, that's my phone and my business.