What they’ll do is embed ads in the text, which will also be unblockable. I imagine the future will entail running an LLM to remove the ads that another LLM generated :P
Sure, at the beginning it will be some "sponsored by" text, maybe even highlighted for you, that is easy to snip out. But the long game is slowly slowly shifting you towards Russian victory, manosphere rage bait, South African immigration, or whatever other manipulation someone is willing to pay a nickel for.
Hey, finally a real use for AI in the browser. It could probably be a pretty small model, too.