Have joined all the groups because i had to, otherwise I couldn't do all the quests the other groups asked of me. Example. the first time you got to the institute you could choose ether or not you wanted to join them. but you had to join them to do the quest for Dr.Virgil where you stole some cure for his condition, and another quest.

But when i do quests where 2 or more of the groups are involved then I′m on both sides so nobody shoots on me and i can kill who ever i want and still nobody tries to kill me and nothing happening. So my question is, are this some sort of mistake the game developer has done and missed or are this meant to be?