FWIW Hurts had similar surgery during the mid season which was supposed to sideline him for two weeks. He was out for a month and was still not a 100% in the Georgia game.
Now, as far as underestimating Hurts, you could be correct. I know he was phenominal for the last quarter of the Georgia game and I could not be prouder of him. However, I watched him for two full years try to pass and he wasn't very successful. I simply want to look at things in perspective.