Ah, making sweeping generalisations of one demographic containing about 80m people and another of 330m people. Bound to be a good tactic.
Jeb's Catholicism is not a big deal for his electability or this would not be the first time I'd heard of it. By this time Mitt Romney's run I'd read multiple discussions on his Mormonism.
I think very roughly, Americans are fine with economic classes, but not with social classes. Probably because even our rich are mostly new money outside of Manhattan elite.
We love us some Warren Buffet, but hate fatcat, bluebooded new york bankers.
It probably explains why reality TV is obsessed with following around Rich people doing mundane things.
also SV start-up ecosystem is full of snobbery, just slightly different context/values