On the contrary, ad blockers and 'AI browsers' goes hand in hand. On one side is naive browser that displays pages as-is, on the other is user agent that shows what is relevant to the user. Ad blockers are just more static / more deterministic variants of that.

Bold of you to assume ai browser will allow for subverting commercial monetization

What centralized organization with a budget and a CEO is ever going to do that? They are all under pressure to not piss off the giant advertising octopus that has its tentacles in every part of the tech industry.