Trump can’t win with the media no matter what he says or does. That we all know.
If he debates virtually, I’m sure they have all kinds of things that they can do to make him look really bad, and the campaign has discussed that thoroughly. There is a reason they don’t want to do this. My guess is they will do everything they can to muzzle him with the extra control they will have, plus they will make a HUGE deal about him being too “diseased” to debate in person.
The big part is proving that he’s safe once he’s recovered from COVID-19. It will embolden more people to ask for easing up.