Earther for me, easy. Mars is full of naive young people brainwashed by their elders. The Belters are unorganized and uncouth. The damage done to them psychologically can’t be undone at this point. They would need to go to one of those new worlds and never interact with the other two factions for several generations.
and that’s not even touching on the physical advantages of being an Earther. I’m 6’4 240. No way I’m giving up that advantage against those lightweights.
Mars runs this you earth brehs would still be trying to fly space shuttles if Epstein the gawd didn’t give you the hook up