It makes a big difference to him, personally. He’s a walking ego, and the fact that the American people aren’t in a majority behind him will gnaw at him.
It means fuck all in any practical way. At best, the country isn’t quite as giving into fascism as we thought. That’s the best I got, and it ain’t much.
There’s some context here. She’s blackmailing GOP members if they don’t fall in line behind Trump. That threat would be meaningless if it were untrue.