It's part of the elite narrative about what confuses rubes, so Trump must dress that way.
The reason people are voting for Trump is because he's as openly racist as the Republicans have gotten so far. This is the same reason why Democrats haven't won whites since Kennedy. The question is whether Trump's supporters will suspect that his newly found overtly racist anti-establishment stance is a deception before the election and not turn out, or whether Hillary will make enough Democrats sick that they won't turn out.
The reason people are voting for Trump is because he's as openly racist as the Republicans have gotten so far. This is the same reason why Democrats haven't won whites since Kennedy. The question is whether Trump's supporters will suspect that his newly found overtly racist anti-establishment stance is a deception before the election and not turn out, or whether Hillary will make enough Democrats sick that they won't turn out.