Yepp I agree, that kind of cryptic speak and this kind of drastic action taken by a FOSS project likely eludes to something of this nature IMO.
If they want to continue to appeal to businesses they’re almost certainly not going to release a statement saying people were sharing illegal material on our platform especially when they’re not a big well-known company like Facebook, Google and Microsoft, where normal people tend to disappointingly dismiss bad findings with a “benefit of the doubt” stance.
I assume their hosted version doesn’t have this limitation? In that sense, this news really is a non-issue I think, considering everyone usually has one of those three accounts. Someone looking for privacy should probably host their own IMO