That's disconcerting... but may explain the lack of gamblers in the casino. 50K through slots should get a beautiful prostitute knocking on your door with a limo waiting in your driveway. When Resorts World first opened my wife was a ploppie at the tables all night long (and I mean overnight til noon, because I wasn't there) and it took them 2 years to finally mail an offer! Some of these properties just don't know what they're doing. For this reason I made no real effort to get anything going, I just wanted to check the place out.
FWIW I keep Caesars Diamond mainly through a CC status. I think I did play enough at their properties one year to actually earn it, but typically not. I do try to run enough action to keep the room comps going because it's handy that they have properties all over the US.