Reason for removal was basically unnecessary complexity.
One of the things that I liked about Xia was the drive to simplify. Ex. All outfits worked the same, one charge space rolled a die of a given size. Having simple memorable rules is very important to a game.
When Loath and SD are close the economy board can will be denuded, forcing traders to mine. I think this will be a feature not a bug of the two outlaws being close together. Has this happen during play testing?