In my opinion, not anymore. Years ago our host would treat us to a dinner once in a while. She hasn't done that in recent years. We do charge dinners to our room and then, when we leave, ask host on duty to look at our final bill. (We do get 5 free nights/month plus other offers in the mail, free play included.) At CET they first deduct your points, and if you still have a balance, then will look at "comping" you. We have always had enough accumulated points for them to take, however. At Wynn/Encore the host on duty looks at a chart to see how much to comp you based on your play. I'm guessing CET might do that also. If that's the case, it doesn't matter so much if you have your own casino host or not....just ask the host on duty to look at your "play". But "high rollers" with a casino host most likely get "extras"!
We live on the East Coast and because we go to Mohegan Sun frequently, we have a host there. He does do extra favors for us occasionally, but I'm sure that they're all within some guideline.