Cigarettes are "generally accepted non-virtuous behavior". Virtue signaling might mean doing something that anyone expects to be baseline "good person" behavior

Cigarettes are "generally accepted non-virtuous behavior". Virtue signaling might mean doing something that anyone expects to be baseline "good person" behavior, but inappropriately advertising this fact. People tend to prefer to see virtue and identify it, much like people can safely refer to others as a genius but referring to themselves in that light suggests a lack of genius. Heaping praise on others for their virtuous actions is fine, where as attracting that praise in a form like this maybe not.