[batmankiller]

I thought of this when I first saw the kickoff. Couldn't one robot stand in front of a goal the whole time and only specialize in kicking the ball very far away and also guarding the goal. I understand this would mean that two robots would have to be doing this since there are two goals, while one robot is purely in charge of offense; while I know it'll be hard for that one robot to score won't it also severely limit the amount of points the other team can get with this defensive manuever?
Is there a rule against this? Cuz I read through both robot and game rules and saw no such thing.

What would be the disadvantages to this other than the one I mentioned (only 1 offensive robot)