Earlier quoted context omitted.
Then they'll resent you and watch it on their friends' phones anyway when they can. And they'll suffer socially because they won't be able to talk with other kids at the lunch table about the most recent episode.
Your children aren't going to resent you because they can't watch a YouTube channel. Nobody has ever resented their parents as an adult because of something like that. My parents didn't let me watch adult-rated movies or play adult-rated games (eg The Godfather, Call of Duty) as a child, while others' parents did. You'd have to be insane to resent them for that. How far do you take this? No rules? "Sorry, no chores i…
And where do you get "No boundaries at all" from "perhaps you should let your kid watch Mr Beast because it's relatively harmless and allows them to connect with their peers"? You seem to have a very binary mindset.
If letting your kids watch Mr Beast is the deciding factor that makes them incapable of hard work then you're a horrible parent.