Quote Originally Posted by Berengaria View Post
Sure they can, but they would have to leave their own respective FCs as a commitment to collect signatures with your friends. People don't just make FCs for progression credit and then leave them to go back to their old FCs. Then the FC no longer exists and there is zero point to their progression.

Linkshells don't require you to leave anything or do anything other than speak to a npc. You can make them on a whim and leave them on a whim and no one would know the difference.
You can Make FC's on a whim and leave them on a whim. Oh, for the FC all you have to do is talk to a NPC; and invite your friends.....hmmm sounds about the same amount of effort as a LS minus the 15k Fee.