Hah! i was just online at STCC2 and witnessed (as usual) no holds barred as far as contact rules are concerned. Even guys honking there way through turn 1 and pushing othes off the track!!
There's just too much racing on STCC for this type of thing to be controlled, so nobody follows these very important rules. Maybe they dont even know about them
Its quite annoying i agree. Unfortunately i dont think its possible to incorporate this type of penalty system into the game. Contact rules might just be too dynamic to properly translate into code.. correct me if im wrong programmers and techies!! (there are just situations where the software could make a bad call, due to close calls in turns and such.. nudging etc.)
But look at it this way for the STCC, its just racing to collect points, to get to the REAL race, where the racing IS clean. But you have to get there first, which involves alot of really great driving and point collecting, which is time consuming regardless of a few wrecked races due to contact norules.