I don't think banning smoking is the answer. First, I find it hard to believe a fire can be started on a balcony of a moving ship by igniting paint on the side of a metal ship. It's too far fetched.
I spent 4 years as the Safety Engineer in an explosives manufacturing plant. We had every imaginable safety system in place and fire containment construction known to man. We manufactured high grade explosives for the Department of Defense and all of NATO countries. In my opinion it is doubtful a cigarette could ignite paint on a moving ship.
Like Kuki, I too am an owner of an over-regulated business. My belief is there can be an equitable balance between smokers and non-smokers wants without the government stepping in. If you are in favor of less government then you should believe it also.