As previously explained, most public establishments (bar, clubs, restaurants) are all about food and drink profit. Smokers buy more liquid refreshment, my dad taught me that when he owed a bar. Therefore, looking at things from a "purely profit motive," every establishment that makes a profit from alcohol and drink sales (soda, bottled water, coffee, etc.) would cater to the needs of the minority knowing that their competition would be doing the exact same thing. After all, if there are few alternative choices even non-smokers will come and endure the hardships imposed by smokers in order to dance, eat, drink, etc.
No one sees immediate effects of smoking, it takes time for the harms to reveal themselves. Yet purely to support your own habit you would expose pregnant women, children, and other adults to your brand of poison. Beyond that, I can't tell you how many times I've been burned, or my had clothing destroyed by some a-hole smoker back when smoking was legal in clubs and restaurants. Somehow an insincere "sorry" just didn't cut it. Beyond THAT, how many fires have been caused by smokers in various business establishments leading to how many lives lost and burn victims?
Sorry, your right to smoke poses both health and safety hazards the rest of us don't need to face. For the third and final time, your MINOR inconvenience does not trump the dangers smoking poses to the rest of us. Feel free to smoke, just make sure its in a safe location that does not endanger the rest of us.