I am still baffled why folks would not just talk to the neighbor. IMO, this is a personal comfort thing, and one that affects a lot of people. I don't smoke anything so smoke in general nauseated and irritates me. I recognize that smokers are not always aware that the smoke travel to parts unknown. I would just let my neighbor know how that smoke was affecting my family and ask that he move to another area. To me, this is just a courtesy. Just as I would try to make my neighbors aware if their racket was keeping us up all night before taking it further, I would make them aware of their wandering smoke trail. I see no reason to be confrontational or judgey.