Ok. I'm new to the board, but I'll bite off a little of this to chew.
There's a mountain (Rocky Top, if you will) of difference between "going nuts" on the sideline after a bad play and displaying your aggravation. I don't proclaim to be a coach by any means, but I've played a little ball in my past. I would much rather my coach get in my face and reiterate what I did wrong than to stay calm and not say anything to me after I know I screwed up.
There are two types of coaches... There are those that contain their emotions and those who don't. Mark Richt at Georgia used to remain expressionless on the sidelines, not talk to players that didn't execute after a play, and leave criticisms to players up to Off./Def. coordinators. However, he realized that his players WANTED to see him fired up, in good times and bad. The funny thing is his revelation occurred two years ago when UGA was embarassed by UT. Since then, look at what he's done with that team. His players now respect him and his opinions, and they want to make him proud beyond his expectations. And they have.
I'm not sure if it is the constant questioning of Fulmer's abilities as a coach by Alumni and fans or not, but I think some of his players (especially the veterans) have lost some faith in him. His renewed "fire" and emotion for the way the game is being played may be just what his team needs, as well as what he needs. If it means that means Phil has to get a little "theatrical" on the sidelines, then so be it. It's still better than being a whiney little *%#@! like Steve Spurrier infamously throwing his visor and clipboard.
GO VOLS!