That doesn't seem unreasonable in any way shape or form.
If they're capable of launching the platform in every language, they're capable of moderating it in every language.
If they're capable of launching the platform in every language, they're capable of moderating it in every language.
Uhhhhh this does not follow at all. "If you're capable of launching feature set A, you're capable of launching expanded feature set B" is asinine.
Said differently, if they aren't capable of moderating in every language, they they aren't capable of launching in every language. At least not ethically.
When you are Facebook, it must be table stakes.