As to why would someone pay for youtube when you can block ads etc. I have been paying for probably close to 10yrs it not more.

Well, first you can use youtube on your phone, tablets etc, without seeing ads ever, I didn't realize youtube has ads.

Initially, my kids would ask for toys and fast food that I knew they didn't know anything about. So I realized family subscription is way cheaper then me buying even a single $25 toy, and most of them were more expensive.

Over the years, my kids have grown healthier both in mind and body thanks in part of that subscription.