Maybe he forgot which country he was in?

Mexican mob attacks Russian over insults in Cancun.  A Russian man has been put into protective custody in hospital after he was attacked by a crowd of angry Mexicans in Cancun, authorities say.  Police rescued Aleksei Makeev, 42, on Friday night after the crowd stormed his apartment in the Caribbean resort.  The man had allegedly posted disparaging and insulting remarks about local people in videos on social media.  BBC