The problem with English as the international language - in Europe in particular - is that everyone has to learn it to some extent - but then the politrectal correctness gets forced afterwards. Even worse in our Epoch of the Raving Mad.
For example, picture a chat interaction in a video game: a Brit throwing "cunt" around is "just banter", but a Czech saying "I'm a retard for [doing something]" causes "Ohnonono we don't say the r-word".
God forbid somebody say anything about homosexuals or God...