This is the inevitable end of talk radio (now podcasts/YouTubers) angering the base and making them more extreme. Now you have to be extreme to win the primary, then you can’t win in the general
The trouble is, it doesn't matter. There's been a paradigm shift; in the past a politician had to win an election. Sarah Palin proved you could lose and still find a way to get paid. Someone like Lauren B. will be snapped up as a talking head and have a book movie deal the day she leaves Congress.
That's the whole point of the independent state legislation theory. Republican state legislators can just "correct" the elections whenever the voters don't choose the right option at the polls.