We reported before that Mass Effect fans were very unhappy with the ending of the latest title. Additionally, it would appear that Bioware have 689,527 angry customers on their Facebook site. Was the ending that bad? Did you play the game yourself and feel shortchanged?
Game writer Karin Skoog has a piece written over at Kitguru Gaming along with Petition information which you can sign, if you feel strongly enough that the ending(s) sucked. It seems that many people feel it did.
Read more about this over here.