[JBW1949]

because he can beat her anyway and then show that she cheated and still lost....

[WashingtonSource]

Best answer!

[Repealthe17thAmendment]

because he can beat her anyway and then show that she cheated and still lost....
Or, if he has a plan to cheat, and can do it better than they do it; they can't call him on it.

As it is now, with all this fuss made about him accepting the election results, he could cheat, and they couldn't contest it, even if they know how he did it.