Mad?
I think Sad is a better term. Sad because it serves his racist agenda. The the real agenda being to ingratiate himself with all his most extreme worshipers. The ones that are brainwashed into thinking that American ultra-nationalism is somehow going to Make Us Great Again.
What part of renaming an international body of water into a fictional name, is creating greatness?
I've read a few hundred post from wacko MAGA nut cases, and they actually call people WOKE for not agreeing with the changing of the name.
We have come to a place where party politics led by a megalomaniac, is endangering our society. Anger is not the proper response, thinking people have a responsibility to continue to point out the lunacy, without the normal accompaniment of an emotional diatribe.
Logic and patience are what is needed now.
Obviously, I have both.