His voice is unpleasant. It sounds like a drill. He dresses poorly. His wife works(ed?) for Goldman Sachs and as much as many of us love Texas the last two Prez’s from there got us into what felt like endless wars. His money man, Sheldon Adelson makes people uncomfortable. All of this is petty but people ARE petty. Heck, a lot of women voted for JFK because he was handsome and Nixon was homely.
I remember reading that those that listened to the Nixon/Kennedy debate on the radio thought Nixon won, whereas those who watched on TV thought Kennedy won. Also Nixon refused makeup so looked "sweaty" under the studio lights whereas Kennedy looked cool as a cucumber.