In most games there is a hell of a lot of luck involved in the outcome
I've never seen it used in that context. What I meant was people who try to deflect the fact that the suck or downplay that somebody else is good, or both, by saying that. It's used like 'this stupid game doesn't matter, who cares if i'm not good or if you are good?' etc.
Case in point:
You indeed take the game to seriously...
This guy is awful and knows it and uses this in a pathetic and failed attempt to retain some dignity.