I'm not sure what ethical means in this context, or what it has to do with them being wrong. What responsibility does Twitter have to anyone? They are a private

I'm not sure what ethical means in this context, or what it has to do with them being wrong. What responsibility does Twitter have to anyone? They are a privately held corporation. Where they were 'wrong' is in not being consistent in their labeling, and the subtext surrounding that - of which we are all aware but some of us (like you) are unwilling to acknowledge in order to advance an argument or to just Troll. But go on...