Semantics
I don't get the argument anyway, here's what happened: The guy did send a tweet saying JP should be fired if the hire doesn't work out and that tweet did include "@IASTATEAD". That is really all I care about as a mitigating factor here. I'm not even defending JP for his response.
My point is JP got included because of how Twitter works. This guy did not jump on Twitter and directly send a tweet to JP. He responded to a question, and JP was brought in during the conversation. The difference for me is, had the guy went directly after JP from the start, I see people calling him a DB. I personally don't see anything douchey the guy did.