By “latitude”, I don't mean freedom. I would be appalled if a teacher stood up in front of a class and used any type of vaping device. I certainly think that is not on.... I also believe that in a confined space, a workplace, there is the science and then there is the social custom. It is impolite, whether it be safe or not, for me to vape if somebody is there beside me, science aside. Where I would suggest there are possibilities in promoting the public good is in night clubs. Perhaps there is some opportunity there.
Is there some opportunity in the public spaces at the base of a condominium or in an office building, not in the office itself, or some area that's set aside such as a large lobby area where a vaper can use it indoors and the only small incremental advantage you're giving them is if they're using a vaping device they don't have to go outside and stand in the cold? Essentially, if you gave them even that little sliver that would be a huge bonus, especially in Canada in the wintertime so that they could stay inside and stay out of the sleet and snow, whereas those using tobacco products would be outside.
Otherwise I do believe there should be significant restrictions on its use.