From a very early age, my wife and I told our son that there are times and places for everything. I told him, look, when you're in class, you have to be quiet and listen to your teacher, but when you go out to the playground, you can scream and be silly. ↗
More often than not, however, the person who flatly states 'Elves aren't like that!' is hard pressed to describe how they really look.... as if Tolkien has summoned archetypes from so deep in our minds that we can only recall them incompletely. ↗