lol, by your logic, no-one should ever play it, ever. if the class benefits your team more than yourself, then there would be no reason to play it. after all, it only really give you "the little bit of extra cash for an objective win", or other people on your team more xp for kills. since IBIS WCS is all about personal gain, why would someone play a race that benefits their team more?
edit: also, since it's all about personal gain, why would the team move about as a group?
sit down good sir. there is nothing overpowered to it, no reason to restrict it. it's all part of strategy in wcs.