They didn't learn the lessons of the casinos in Vegas obviously. Four of the major casinos on the strip tried the "no-smoking" experiment. After a 40% reduction in revenues in just 3 months, that was reversed quickly. I remember this. Here's a link to that article:
Las Vegas Casino profits could go up in (no) smoke
From the casinos' point of view, Mehl said, the "ideal" solution to shielding employees and customers from smoke is a combination of effective ventilation and smoke-free areas.
There's your ticket! Big Smoke Eaters and wonderful ventilation. Works everytime!
All of the newer and major casinos out in Vegas have massive air cleaning units. You would never know there was a smoker unless you sat next to them.