Most servers tend to speak Spanish, and quite a big percentage are from South America. Spanish (as main language) speaking people in Catalonia tend not to have

Most servers tend to speak Spanish, and quite a big percentage are from South America. Spanish (as main language) speaking people in Catalonia tend not to have a Catalan accent in their Spanish, most Catalan (as main language) speaking have said accent. So they went to a restaurant that had a server that not only was Catalan, but was an independentist, detected your friend by her accent, isolated her making she alone speak Catalan and the manager was OK with that? Sorry, does not compute.