Ryan is just criticizing what he sees as spam and fake engagement. He is free to do so. Just like you’re free to do zaps 4 follows. He’s not ordering anyone to do anything. Not does he have the authority to do so.
When they follow you they’re your friends but if they listen to Ryan and unfollow then they’re dogs? I don’t think that’s fair. And Ryan is not a censor, he’s just expressing his opinion. Like he should, on a free internet