That is "pay to block ads" and doesn't cover the OP's use case of "pay to use this site" (afaik, I could be wrong). That use case is important for sites that don't want to use ads in the first place.

It goes through Google, and the whole point of ad blockers (for me) is to block Google's tracking/surveillance crap.

So, it is dead on arrival for me and all the other privacy-minded people that run ad blockers, which is a large and increasing percentage of the population.

Wow ... first you build a massive ad network to create a pain point and than you have users pay for not using it. Brilliant!