reason Democrats are fighting so hard to put Trump in jail or to otherwise get him off the ballot: He will otherwise crush Biden in the election. It is election interference, pure and simple.
Now, the only task is to keep DeSantis running. The Democrat ploy is to keep Nikki Haley flush with money with the idea that DeSantis will eventually have to quit, Trump will fall prey to Democrat legal machinations, and then the Leftist Nikki Haley will be the only one left.
At that point it doesn’t matter if Haley wins or not–she is nearly as Leftist as Joe Biden. Plus, she is electorally weak, and few Conservatives actually like her or would vote for her. She is Mitt Romney in Manolo Blahnik pumps.