In fine Harvard -Gruber style this pompous jerk has apologized for being an ass, but only after being publicly shamed online. There is probably a requirement that one has to be an arrogant prick to find employment at Harvard, a discredited institution.
These schools seem to produce a lot of book smart people, many of them short on decency and common sense. The may want to remember the following.
“Always remember to be humble!
You are only a visitor, subject to recall at any moment. You are no more than a speck of dust within the scope of time, space and eternity. All granted by the good grace of your creator”