Trying to and mostly succeeding at not overreacting, but it definitely wasn't necessary, definitely is a bad look for everyone, and because of those reasons reflects poor judgment.
Also, maybe this is the elephant in the room, but everyone ages, even the most genius people in the world. Saying nothing of his cutthroat nature and probably still radioactive reputation among executives, It's worth seriously considering that Ainge may have really once had it and no longer does. And/or no longer cares.