True but BMG is still very popular and has only gotten more popular. I don't see them leaving anytime soon. Plus a lot of the soundstages around that area are marked for demo.
It's about finding beef this small company approves of. Seriously there's fresh beef in many locations they're not in. Don't read it as 'In n Out', read it as 'specialty burger concept'.
I think they can find a company they approve of easy enough but it's not going to be worth it for one restaurant. If they decide to open in Orlando, they'll be wanting a few places to justify the cost and that takes the sparkle off the one in CityWalk.