^^Convenience. I mean, I didn't really think Camacho's was all that great either, but it generally seemed pretty busy.
But if you're already on USH property, are you likely to go back to your car, drive and leave, park and eat, then drive back and attempt to park again just to get a better meal? The average park guest won't, it's too out of the way, so may as well at least give them more options.