Sure, it would be Nice in my mind if Every person who Smokes could Switch Completely to e-Cigarettes.
But Isn't a Person who practices Any Level of Harm Reduction doing a Good Thing?
Totally agree. You've uttered the Magic Words "Tobacco Harm Reduction." It's not total abstinence from tobacco cigarettes. Many of us, if not the majority, realize that we enjoy vaping much more than smoking. In the end, no one twisted my arm to completely quit smoking, it was my own personal decision and was, and still am, responsible for it.
For decades we as smokers heard the battle cry of "smoking kills" yet continued to smoke claiming our personal freedom to make the decision to continue to smoke. Has that freedom to make our own decisions been taken away from us just because we started vaping?
If the OP finds himself/herself bothered by what other people are doing at work or outside of work, I suggest you take a break from your desk and go for an invigorating walk. Get that blood flowing into your brain once again and come back refreshed.