I mean the guy is going crazy. People with anxiety/OCD know it's ridiculous at times, but they still can't help it. Don't really see a problem with it.
So the Governor shoots Axel from 200 yards through 2 fences with a pistol. Yet, the guy shooting at Rick with a machine gun misses with 20 shots on a stationary Rick.
aside from the Rick centered scene, the episode wasn't nearly as bad as people will make it out to be