Thinking about this will make your head hurt. If that doesn't happen, you aren't thinking hard enough.

Questions like this go back through DesCartes, and quite likely beyond.

As to why it isn't more kick-ass? How about - the individualism processes have been perfected, and your existence is as kick-ass as it's going to get, given the limitations of co-simulating with all the other processes who are ALSO trying for kick-ass perfection. Trying the simulation alone takes you somewhere between insanity and loneliness. So you co-sim ... and this is what you get.