You have...what, 12-30 people in each of your realms? Send each of them a private letter; make up a reason. Maybe starting a guild, religion, or secret society?
Again, you're completely missing his point.
Without the extra
engagement that the Locals provided, he just doesn't feel the urge to interact in BM at all. (Sorry if I'm misinterpreting you somewhat, Vellos, but I think that's what you were trying to say.) Their removal has sapped his motivation to actually play the game, because they really provided an extra spark of fun and interaction that is now lacking.