Yeah, movie theaters figured that out 30 years or so ago when they realized besides trailers (which okay, are ads of a sort), they could subject viewers who paid for a ticket to 20 minutes of ads for things like M&Ms and Coke before even the trailers begin. It's gotten to the point that you might as well show up 30 minutes after a movie is scheduled to begin as the movie itself won't have started yet.

Then there is product placement like in ET or back to the future!

Who didn't want to eat Reese's pieces, drink a Pepsi free or tab, or buy a Toyota or pair of Nikes.

True, but that has a long history. It used to be even more blatant in fact, with characters commenting on how smooth the taste of Lucky Strike cigarettes were in the 1950s.

I both pay for YouTube Premium (let's call it what it is: a hope that content creators get paid) and also use uBlock Origin religiously. Nothing's stopping people from doing both.