Is there a name for the phenomenon where your opponent always seems to be playing more dirty? Or where it's hard to see your own's side's emotional manipulation for what it is?
I know I've often fallen prey to this effect. You feel like your team has a disadvantage and then think the other team crazy when they claim the same. Almost like our brains are trying desperately to let us feel justified in relaxing our moral code.
Cognitive dissonance is the uncomfortable feeling when one sees through the effect you are describing. Perhaps "illusory cognitive consonance"? It's a bit of a mouthful...
Of course, confirmation biases and other related phenomena help us construct and reinforce these perspectives.
I know I've often fallen prey to this effect. You feel like your team has a disadvantage and then think the other team crazy when they claim the same. Almost like our brains are trying desperately to let us feel justified in relaxing our moral code.