I certainly came to a conclusion they mean nothing to me other than bragging rights to be honest. I'm sitting at 3,400 gamerpoints now. I certainly like to unlock them but it has been intering with me completing games. I would worry more about them then I do the game. Which is sad in my opinion.
It also affected my buying decision on whether to buy a PS3 version or 360 version of a multiplatform game. Like BioShock, Eternal Sonata and such.
I'm just giving up on the whole thing. I see it as a way to extend value of the game and also for bragging rights.
What about you?