Originally Posted by
SenorPatty
It's a team game but one needs to think about context here. The tank is new to the layout of the dgn. Tank don't know where he/she's supposed to stop pulling, if there's some weird environmental interaction in between the pulls, what kind of mobs are in there so it's perfectly understandable that one would rather err on the side of caution. Also, all it takes is a moment of introspection to admit to oneself that "wait a min, when I was doing this the first time, I too didn't know the layout".
There's always exception to the rules, written or unwritten. What an individual or group decides to do with that is up to them.