I'm not saying this is what happened, but this IS how a person would act if they had another series of mini strokes a month before they were on the ballot for president.
Watching his Bloomberg interview it looks like his eyes are trying to escape his face. If it was my job to interview this pos I'd try to make him walk off stage after the first question. Which would be, "tell us about your make up routine and why you think it's so essential."
Follow up, "I have a list of questions that appear on your cherished cognitive test. Since you're so clearly proud of passing these exams would you like to demonstrate your acuity for the viewers at home?"
I mean, he's up across the board in all the swing state polls. When you are up on points and are looking to run out the clock, you run prevent defense. Its the same reason he's not going to take another debate; that would help Harris. Reduce surface area, reduce exposure, don't give opportunities for mistakes.