I despise people who move to another country and never bother to pick up any of the language. Lazy assholes.   You can see why Europeans are fed up with migrants. Bill Cosby also pointed this out about the black under class's inability to code-switch between English and AAVE.  "Racist," of course.  After 9 years most people would be semi-fluent at the bare minimum.  Assuming they have motivation to do so.  See also: Tower Hamlets, Rosengard, certain Mexican parts of California.