I agree fully about the culture.
I assume that you mean the Democrats take the House, Senate, and Supreme Court.
What makes you think that they are any better? Last time, they nominated the supporter of a sexual predator. She did not go to jail for security violations because of her position as former First Lady.
It was a horrible choice, and Trump has lived down to my biggest concern about him when he was running.
Changes go up and down, never in a straight line. I always hope that the downs are less than the ups. It may take another century for things to greatly improve. You just have to keep pushing.
Go to fast and you get things like HR1.