As others say, the smell is far weaker that after-lunch booze, deodorant, BO, auto exhaust, bad breath, leather, hand sanitizer, and to a vegetarian, meat.
Sure, you could sniff your coworkers to discover who ate corned beef, and who vaped at lunch, but neither is at the level that we'd call it offensive in an office setting.
The only reason people are complaining is because cigarettes are bad and by extension everything related to everything related is bad, and people love jumping on the bandwagon.
Excuse me? I know it's not reinforcing what you want to believe, but this isn't an echo chamber.
Coworkers are starting to smoke in small meeting rooms where you don't normally get the smell of lunches etc. It DOES smell unpleasant, though it's not nearly as bad as cigarette smoke. Fortunately my coworkers are gracious enough to shower every so often so I can't say that BO is a regular problem.
No, it's definitely noticeable, but currently rare enough that a lot people won't be able to identify it.