Fratty?

They acted the old-school version of tenured? Or maybe the still mainstream version?

"You Can’t Retract The Damage of The Comaroff Letter" | Opinion | The Harvard Crimson

https://www.thecrimson.com/article/2022/2/14/kiros-comaroff-damage-cant-be-undone/

"The professors that signed the letter — which included 20 percent of Harvard’s University Professors, the highest title the University can bestow upon faculty — acted fratty."

~ Hana M. Kiros

And if circumstances had been slightly different, it's likely they'd never have retracted and would still be feeling good about that. Bless their herd mentality hearts.