Here's POTUS doubling down and saying the troops that were diagnosed with brain injuries are still just headaches and not that serious:
https://www.businessinsider.com/trump-says-wont-change-his-mind-on-troop-brain-injuries-2020-2
coming from someone who dodged the draft. There isn't a sane person alive that would think Obama could get away with talking like this.
Again, complete difference in standards between the two.