I looked at a couple. He ain’t right in the head. AA hire.
Some of us thought it looked like he developed schizophrenia on this earlier thread:
https://freerepublic.com/focus/f-news/4034453/posts
The guy certainly has serious mental issues. The mentally ill who go ballistic like this guy so often snatch at whatever ugly or scary thing is in the air at the time, and it looks like he got all riled up over racial issues.
On the other hand, maybe having to study all that philosophy would send one around the bend. They made me read Kierkegaard in the original German back when I was an undergrad. His sentences were so long I had to flip pages to find the verb at the end and nearly lost my mind. And no, I was not a philosophy major, nor was I a German major. Who knows what fiendish stuff philosophy grad students have to endure?