He has done much worse. This was a “gaffe.” The women were behind him and he was looking into a monitor. A reasonable mistake.
There are plenty of examples of oncoming senility that should cause more concern.
He’s so scripted that he has teleprompters at a victory celebration. Trump has them too at his rallies but often ignores them, goes “off script,” then comes back to where he was.
(Just announced on Fox Business: Bloomberg out of race, supports Biden)