Agreed. This is serious 'WTF?' territory. There's nothing to stop them from extending a limited license to Hanbit, with the proviso that NAMCO can retract it at a future date if they ever actually step back up and start running it themselves.
Why create bad blood between you and the western subscribers (who absolutely WILL hold a grudge) when there's a perfectly good solution just sitting there waiting?
Unless Hanbit doesn't have the resources (hardware and support infrastructures) to operate the game in western regions, that is.