I support workplace clean air. But a federal ban on smoking would mean that you couldn't smoke in your own home. I don't care what people do in their home.
We have some real political differences among us, but we all share the same goals: clean air and water, injury free workplaces, safe transportation systems, to name a few of the good things that can come from regulation.
Clean up your own mess.
To win in the marketplace you must first win in the workplace.