If most people do watch YouTube, and YouTube censors stuff, then me not watching YouTube doesn't magically get that information to the other people
You can make the exact same criticism of OAN, Fox News, or MSNBC. At the end of the day, non-public venues are private.
I think every home/car repair that I did in the last year I learned by watching a youtube video. I would argue that not using youtube is actually very very difficult in 2021