these things are insidious
once vendors are forced to put on hooks to some enforced age verification system, it will creep everywhere like cookie banners which you cannot escape even in Antarctica
Maybe, I get what you mean. But I think there is still a difference between what I install on _my own_ computer and opening some _others_ website.
When it comes to free software, I don't see what prevents anyone from patching out such undesired "features." This is why free software is more important than ever. Official distributors like System76 may have to comply, in CA at least, but I won't.