I used to think the same thing, but I started asking the people I knew who had Hulu accounts, and apparently a lot of them are paying for the ad tier. It's insane to me that people are so accepting of the absolute worst part of watching TV.
Upper class children are going to grow up with premium services that don't serve ads.
Lower class children are going to grow up being bombarded with ads at all times, from all places.
It's going to be interesting to see how that changes things.