>Someone who is publicly altruistic, is likely to gain compliments and plaudits from others.
I suspect this is also the basis of the behavior of criticizing "virtue-signaling". In both cases, the punisher wants to be sure that the goodie-two-shoes doesn't get to benefit from others recognizing them.
I suspect this is also the basis of the behavior of criticizing "virtue-signaling". In both cases, the punisher wants to be sure that the goodie-two-shoes doesn't get to benefit from others recognizing them.