A quick Google says you’re wrong, I’m not an accountant for YouTube so I couldn’t prove otherwise. Presumably if there was zero benefit to creators, they would all turn the adverts off, rather than just some of them.
I’m aware that they only get a small percentage of the ad revenue but it’s like that in every business unfortunately. When I buy a loaf of bread at the supermarket, I know that only a tiny fraction of a percent the price will go in to the checkout worker’s or farmer’s, or the baker’s paycheck, but I’m not going to boycott supermarkets because of that.
It was you saying that they were turning the adverts off, now you’re saying they can’t. So to call my research “armchair” is quite ironic.
The article you shared said that it’s only creators not in the YPP that don’t receive revenue but you either didn’t read it or just decided to omit that information based upon your predetermined conclusion.