That we should collect coins instead of butterflies?
That ugly children can grow up to be beautiful adults?
I dunno.
I'm guessing that you had in mind a discussion of a particular aspect of human culture or social behavior, both of which vary widely among countries, races, local communities and other groupings of humans.
Well, that butterfly adapted to give the appearance that it was another kind of butterfly, one that is poisonous to local birds of prey, thus giving it a survival advantage. This made me think of school-age kids who try to dress and act and speak like the 'cool' kids or even the dangerous/delinquent/gang-member kids. Could this be seen as a kind of social, rather than genetic, adaptation intended (however subconsciously) to garner some degree of 'social survival' advantage?