Yes, you can do all the exit polls, the research you want to try to determine what slice of voters voted the way they did, what message failed and so on. But none of that will work for it boiled to one failing and one failing only:
It is really simple to see the real reason why Hillary lost. Simply, her and the Democrats, election stealers extraordinaire were so cocksure, 100%, no question about it were going to win that they didn’t see any need to spend the money stuffing ballot boxes to win like they always do.
And for once we had an real, honest election.