No, “they” don’t need to shut it down, but “they” might want to and that’s OK. If we’re talking about forum mods, they might use their judgement to decide they don’t want their platform to be a space for debating something that threatens the safety of their users.
You want to make your own forum where anyone can debate anything, then absolutely go right ahead. Doesn’t mean somebody else can’t make a forum they refuse to allow debate on certain issues.
No, “they” don’t need to shut it down, but “they” might want to and that’s OK. If we’re talking about forum mods, they might use their judgement to decide they don’t want their platform to be a space for debating something that threatens the safety of their users.
You want to make your own forum where anyone can debate anything, then absolutely go right ahead. Doesn’t mean somebody else can’t make a forum they refuse to allow debate on certain issues.