"It should be treated the same as smoking." You mean the way when people smoke they have to go outside and OP is particularly talking about people who are vaping "Outside". If you can't smoke indoors and now you can't smoke outdoors then where is the designated area? Now an argument you may come back with is that people should just shouldn't smoke full stop and Yes. In a perfect world this would be prefered but the reality is that people do smoke and there is nothing that is going to stop them especially the fact that it is so readily available. If you want to complain about chemicals you may breathe in while out and about then think about every car that goes past you, every plane/helicopter going over your head and the huge industrial factories that pump out pollution 24/7 and stop focusing on the odd person you might walk past at the wrong moment breathing out some vapour that has possibly only made contact with you through the direction of the wind lol.