I think age and my look allows me to get away with smoking my pipe where ever i want, pretty much, with a 95% positive response. I also try to be as polite as possible with my pipe. If I see a “no smoking” sign, I will ask before lighting up, and I try to keep my smoke to a mere drizzle of breathesmoke. And, by asking, I find that most places, mean to merely stop cigarette smoking, when they post “no smoking” signs. But, for an old guy with manners enough to ask, I tend to get away with smoking. A younger guy, or someone who “looks” like they would be smoking something other than tobacco, or someone who is rude, probably not.
I have accidentally found myself smoking in the grocery store, because i forgot to remove my pipe when walking in, grabbing a buggy, and then someone in dairy brings attention to my pipe with a “my grandpa smoked a pipe” comment. If you constantly keep a pipe in clench, it just becomes like a body part, normal. However, if you are still cumbersome with a pipe, or only smoke occasionally, it will just look and feel awkward to you and everyone else.