If your current partner/s are dead, I don't see why someone would warrent to give a negative feedback if you wish to join an opposing team. If their current partner is dead, then it should be a-okay.
KraphtOne wrote:when you sign up a new account one of the check boxes should be "do you want to foe colton24 (it is highly recommended) "
Depends on the players you're making an alliance against. Some people hate alliances and leave feedback for people that make them, some people recognize that it's just a part of the game and they get over it.