I really hope we never reach the point where someone implements a way to silence OTHER people from having an opinion about your post... You have every right to decide what you see, you have no right to decide what other people can see. If i want to see what people have to say about your comment, I should be able to, and you should be powerless to stop me.
@freemo This is implemented in Twitter and it's actually a really nice feature. You could "hide" replies to your own posts. It would then have a little notification to readers saying "some replies have been hidden by the thread poster" and you could click in to see those hidden posts.
It provided what the OP you're quoting wants with reasonable balance for others. And, when you looked at which posts someone chose to hide, it was very revealing about who they are.
I wouldn't mind this feature making its way to Mastodon at all.