Since I got creative and tracked changes in variables from the start, I was aware of the factions from the beginning, but I never bothered to map out who "belonged" to each faction. I find that this knowledge would pretty much only be useful in conjunction with knowing the actual changes behind the curtain, so to speak, and I can't have considered it all that useful to learn, or I would have gone and figured it out already (that is something I could consider doing, just to get back into testing the game a bit more).
By the way, since a regular player won't know these numbers, this is kind of moot, but it did bother me a little that an increase in a faction was always a positive thing, meaning that if a choice increased a faction and did not decrease another, it would "always" be a superior choice if you were meta gaming. This is of course why I never get assassinated unless I deliberately try to, but then I'm not playing as intended.