The reason why Biden relied so heavily on Charlottesville in his campaign launch is that Charlottesville is all that’s left from the “Trump is a unique threat” narrative.
Trump’s judge appointments are boring to most voters and not in any way different from what Obama or anybody before him did. The narrative of Trump doing something that sometime in the future will harm the environment is an electoral loser.
Trump’s greatest defect is not that he’s unique but that he’s the exact opposite. He’s turning out to be a very typical, run-of-the-mill Republican president, which is why his base is growing unhappy.
A winning narrative won’t be “vote for me because Trump is the worstest” but “vote for me because I’m the bestest.” But the Dem base has gotten so addicted to the feeling of being extremely important, supremely unique special cookies who are battling the rise of incredible evil that they aren’t letting the narrative of the unique threat die a well-deserved death. They want to be unique, so Trump has to be unique.