From the article:
Thus, in that moment, I was unsure whether the student was directing a hateful message toward me or if he merely lacked decorum and was oblivious to how his hat might be interpreted by his black law professor. I presumed it was the former. As the student sat there directly in front of me, his shiny red MAGA hat was like a siren spewing derogatory racial obscenities at me for the duration of the one hour and fifteen-minute class.
“Snowflake” millennials have long been a meme, but now you know where they get it from. Their professors are just as bad.