Let’s say you’re 100% correct and he was just annoyed and being sarcastic, which I don’t believe but for the sake of the argument let’s go with that. Then he’s not very bright saying that in public when he’s about to get drafted and knowing how everything said/done is dissected by NFL teams.
This video clip is from 2 years ago. Your snap judgement above is based on assumptions you made that were based on factually inaccurate beliefs you have about when he actually said this.