It looks like Trump still got ~70 millions vote, like before, but Harris got 66M while Biden got 81M, so the problem looks like Democrats failed to get people to vote.
Maybe because Democrats were often lefties, workers, unionized, lower salary, lower education, etc, and they do not recognize themselves anymore in the Democratic party.
We had the same things in France with the “gauche caviar”, basically the “caviar left”, all traditional factories workers who voted Socialist for decades, didn’t recognized themselves in this caviar left so voted elsewhere like right-wing, go figure…
I thought they had it, like a lot of phones, Samsung has a limiting to 80% or even disabling fast charging