Ad Homs isn’t the way,
People have assumed the accent of the person, before the person has even open there mouth, they Then judge that they should not be speaking like that, they then discount regional dialects, when you grow up you learn the linguistics from who you are taught by, parents for example.
So posters on this site, think it’s ok to judge people by colour, no matter what the issue is. Like dialect, accent,
I speak four languages, one badly, three native, all with a north east accent, guess what?