How? One's political views are largely an expression of innate personality traits. And, as we have seen, the basket of deplorable includes anyone who is not explicitly left wing.
"the basket of deplorable includes anyone who is not explicitly left wing."
Nah. It tends to include neo-nazis, neo-confederates, racists, sexists, white supremacists, kiddy diddlers, and the like. It's not a particularly difficult group to not be a part of.