He wasn't going to injure Reid. But for the most part I agree with you. Back in the day he wouldn't have seen the field again after that little display. And it was over what? Being pulled from the field on one play? The play happened to go south, but it's not like he was going to be out there for every single snap.
So stupid, and while someone comments got a lot of eyerolls when he said it, what would people on the board think if their daughter was dating someone with so little self control when it mattered? They'd think he looks like a guy who might some day hit his partner.