Originally Posted by
jacobitetraveller
there is no doubt that there are many regional accents and dialects in Britain
but the same can be said of many countries and languages
Yes, but even if OS or LX FAs speak in their respective German dialects, they try to speak English with the best approximation of standard English that the can muster. Your language having turned into a kind of lingua franca does bring some obligations if you have to deal with an international audience.