The problem there is that the 2 cultures are going to have differing views on what they enjoy or appeals to them. Tobacco use is still huge in Asia and not so much over here anymore so limited smoking areas won't work for one but unlimited won't work for the other. Casinos tend to appeal to both and would help get butts in beds but
DCL has decided to hold themselves to a different standard by not having casinos. Many people prefer it that way, although many also don't. Signage, crew, food and design would also have to be very carefully balanced.