I hope you have a better understanding now of rights and power. Many people become inconsistent when they confuse their desires with other peoples rights and believe they have the legitimate power to turn their desires into rights.
Consumer Non-smokers outnumber smokers. If the owners of businesses perceive it to be in their own best interests to serve only non smokers, there will be more no-smoking establishments. The market will decide by non-coercive and non violent means. The world is a better place if it operates that way.
I hope you have a better understanding now of rights and power. Many people become inconsistent when they confuse their desires with their rights. It is obvious that if a business wants to partake of society then that business is obligating itself to the rules of society.