One does not need a clan to enjoy the bennies of teamwork. Most of the time that I am on, no one from AFA is on, so I just hook up with another INF bud and tag along for the ride and back him up. Of course, most of these guys usually belong to another clan (SK or GHOST, etc.) but they don't seem to mind the extra back up. Hell, they don't seem to mind telling me to walk point! Most clans have their own form of rank structure, and I think it would just cause some more bumps in the already too loose teamplay aspect of INF.
I believe everyone should belong to a clan. This game, as far as I know, is not meant for the lone wolf approach.
I believe everyone should belong to a clan. This game, as far as I know, is not meant for the lone wolf approach.