He's conditioned to run that clock down to as close to zero as possible regardless of who they're playing because that's what they practice
I agree with you and was thinking the exact same thing on 2nd/6 from the 15 when they were taking their time, but I thought it was the right thing to do at the time. And I was even taking into account how bad miami's O has been, but am still just too mentally conditioned to get it close to :00 and not hurry unless you have to.