Take a look at his latest truth, https://truthsocial.com/@realDonaldTrump/posts/113127223252339012
Trump knew ABC, Disney, would break all impartiality compared to the other networks. Just to help their side win. I fully believe Trump accepted a rigged debate to expose them and set them up to be investigated when gets back into office. One of the many facets to take down Disney's propaganda grip.
This may have been a brilliant chess move by Trump. Never interfere with an enemy while he’s in the process of destroying himself.
Zugzwang
Also, that's not how chess works. You HAVE to make SOME move on EVERY turn.