For what it's worth, oxytocin did evolve this way in the brain. The square hole in this context is oxytocin, and all the problems the brain tried to solve with it was the pegs.
You could call that stupid.
https://video.nostr.build/032df7375cf0493aef3ccb4da86af964ff0ea3a741b6600e23da2a53db030a0c.mp4