AS a game developer you are creating and setting the rules for interaction and existing in a world that gamers, to varying degrees, become completely immersed in. If there is an increased amount of vitriol aimed at game developers compared to other members of the entertainment industry that can't be explained away simply by controlling for the demographics of the audience, I would think it has something to do with that.
The amount of frustration that we experience on a daily basis when we miss a train, or some other slight of fate leads us to consciously or subconsciously rail against whatever deity, power or non-sentient force we feel is picking us out for special treatment. Imagine if there were an actual entity that you could target that rage at. You could actually look up the name of the god that forsook you by making your jump juuuust miss that platform, and tell him exactly what you though of the creation he had wrought.
The anger targeted at government and bureaucracies is also akin to this rage. Government officials take, to some degree (and by that I mean with an ounce of hyperbole) a position of demigod, writing the rules of interaction and action in our world. In so doing they make themselves corporeal targets for our frustration at "the way things work."
Of course, the stakes and consequences in games are not as high as either of these, but I think a lot of brain scanning research will tell us that in the heat of the moment, our brains aren't very good at telling the difference.
The only sure things in life are Death, Taxes, and Game overs.