False equivalence.

No one's posting everything that everyone's said. And if i had an opinion i wanted kept private i'd keep it fucking private

He chose to express a contentious, offensive opinion to another party.. in a written form on a electronic medium - THE single most insecure easily shared thing imaginable. And not only that, from the looks of it did so when it wasn't even within the topic of conversation. Don't act fucking shocked pikachu when that shit leaks out