Unfortunately it may not be a fantasy.
He may be one of the Christocrats, or someone like him in North Carolina or elsewhere, who either get elected legitimately, or appointed by fiat by a Republican-controlled election commission, stacked with partisans and empowered to overrule election results under the pretext of voter fraud.
Then once conditions are right, state and local governments, and eventually the federal government, could instill permanent one-party rule and legislate however they wished, no longer accountable to the Democratic process.

This idiocy is what started and prolonged the last Civil War. The death toll from a second on would be catastrophic, and that’s assuming foreign actors didn’t get involved (China, Russia, Iran etc).

Over the dead bodies of millions people who value our constitutional democracy!!!!!!

We'll see about that.