Every time I play a multiplayer game to ensure least crappy ending I feel I have only managed to waste time. It feels incredibly pointless.
That's what it feels like on Bronze. On Silver or Gold it actually takes a good amount of effort and is much more fun.
Now I only play Bronze if I want to level a character up for Silver, which isn't going to happen anytime soon unless Bioware has another weekend event where the requirement is to promote characters.