After much discussion, there were some additional unintended consequences that came along with the ruling on Eli. We will be reversing that decision (please check the other threads, to see how those questions were answered)
To be included within the rulebook will be the following:
If a dude in a posse moves away from the location of a shootout, or moves home, that dude automatically leaves their posse.
What this means is, this ensures that if you Flight dudes home, they will leave their respective posses.