I don't vape where I couldn't smoke... I believe other people have the right to clean air where posted as such. That includes no PG, VG vapor (for now). That's their expectation in a non-smoking area. Now, I know you could say "ban candles on tables, birthday-cakes, auto exhaust, etc". But that doesn't negate the point. I respect others rights, and I hope that they, in turn, will respect mine. I would rather the host/hostess asked me "vaping or non-vaping?" when being seated.... but hey, you can always dream, right? I realize that mass-education is an issue here. So I respect their feelings... even if there is no demonstrated issue with vaping around others. I do not think that vaping is subject to smoking laws/bans. It's different.
Feeling embarrassed about vaping is a symptom of the duality of the idea that you would vape in front of them, while knowing that you weren't allowed to smoke there. If you don't vape where you can't smoke, you don't have that issue. This does not mean I think 2nd hand vape is dangerous. Education of the masses is necessary before we get to "vaping or non-vaping" areas, tho. I respect the feelings of others, and in general, don't go out of my way to deliberately offend them, just to cop an attitude or support my addiction. I realize that the addiction is my problem, not their problem.
OTOH, I also realize that a large segment of the population has nicotine addiction and I fully support smoking/non-smoking areas and vaping/non-vaping areas (and for bars/pubs in particular).