The idea of "outrage culture" and "virtue signaling" are pejorative terms that get applied to broader and broader subjects these days.
Essentially they are accusations of bad faith - that someone is only doing something to look good, feel good about themselves, or apply to things which are excessively performative (for instance - a rich man very loudly, and ostentatiously donating money to a charity - accompanied by a PR event). Theoretically, though, any act that someone does out of a sense of tact is "virtue signaling", because it constitutes an adjustment of our behavior to match not our personal sense of decorum, but the social decorum of our surroundings - and the fact that someone is doing something out of a sense of tact, rather than a sense of personal morality does not mean they are acting in bad faith. I sometimes swear like a sailor - but if I know someone who dislikes foul language is at a party, so I filter my language - is that "outrage culture", "virtue signaling", or simply a display of social tact?