I think the concept you're looking for is the one of catharsis [1]. Aristoteles used it to explain why theater was a good thing, when people were complaining t

I think the concept you're looking for is the one of catharsis [1]. Aristoteles used it to explain why theater was a good thing, when people were complaining that violence in dramas may cause violence in society. The global idea is that it purges it instead (people experience violence during a play, so they are less inclined to want to experience it in reality). [1] https://en.wikipedia.org/wiki/Catharsis https://en.wikipedia.org/wiki/Catharsis