What about android apps like "revanced" which allow you to have all the premium features and ad blocking without having to pay premium. It is legal as well.
All a person has to do is google search for it and download a proper version YouTube apk and then patch it and they are off to the races!
I used to pay for YouTube family for years, but they got greedy and raised prices. Now after about 30 mins of getting it set up once I never have to pay again.
i run the mobile firefox app with virtually the same add-ons as i do on pc. it's not quite as snappy as a native app on a mobile device, but it works well. you can even turn the screen off and the videos continue to play (music/podcasts/etc) as they did in the vanced app.