Not necessarily. Because of cognitive distortions (https://en.wikipedia.org/wiki/Cognitive_distortion https://en.wikipedia.org/wiki/Cognitive_distortion) it's

Not necessarily. Because of cognitive distortions (https://en.wikipedia.org/wiki/Cognitive_distortion https://en.wikipedia.org/wiki/Cognitive_distortion) it's entirely possible people smiled at this person and they didn't realize it, or accept it. That said, I've never seen any harm in being generally nice and hospitable, and it can do more than a little good.