19
Neanderthals Built Weird Structures Inside This Cave And We Don’t Know Why
(www.iflscience.com)
Community to talk about Anthropology.
I know what you mean, but I can provide more examples of things we do for no specific or important reason, sometimes subconsciously or without giving it much thought.
That's the point I'm trying to make here: not everything has to serve some important or conscious purpose.