But I can't imagine people would ignore you if you were walking threw a store vaping non-stop with it.
Since that kind of thing is generally associated with a medical condition, somebody might ask if you need an ambulance.
I've never had anyone look twice at me when I grab an inhaler for a few puffs. Additionally, when I need it I hold my breath for 30 seconds. If I do that when vapping a dripper there is very little vape left on the exhale. On this thing, I imagine none will be left.