I. I avoid factions composed of *phobic people and factions meant for capspam/gank. I'm not much of a fan of Skype in the age of Discord either, but that's not a hard stop, just a few negative points.
II. Inter-faction RP is pretty much why I play this game, so factions need to be big on that for me to get into them.
III. Traditionally that's one of the things I have done with many of my factions, so yes.