May have just had a mental breakdown, yikes https://www.yahoo.com/news/students-called-vectors-disease-told-143702486.html
Yeah, he's trying to play it off like it was a joke but I can see why he was removed. There was a professional way to express his frustration with the COVID policies and that ain't it.
Interestingly, there is a kind of evil genius in this harangue. Moreover, as a card carrying Calvinist, it should be known that Dr. Mehler's depiction of Calvinism is a misguided canard.
He didn't have a mental breakdown; he just was retiring anyway and had nothing to lose by speaking his mind.