Meta would never block ads. If anything, they would detect things like billboards and have the AR system replace them with ads bought through Meta's ad system. But blocking them completely so the user has an ad free life experience? Never.
oops. you poor poor fella. haven't we pretty much gotten to the point that if you've thought about it, someone else has also already thought it and released it? at least, that's my core belief in any thing clever I think I might have just thought.