No matter where you fall on the political spectrum it is important to evaluate everything people in authority say and do. Leaders lead by example. They do not bully, blame, or denigrate subordinates. Every Second Lieutenant learns that you praise in public, and criticize in private while in a one on one counseling session. Leaders also have a responsibility to the entity they lead to work for the betterment of the institution.
Senator McCain was a leader and supported the idea that Trans people should be part of the defense establishment of the United States. We miss him and wish for more leaders like him.