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For a bit of history, druids of old probably weren't that different from us. There are few stories about that, but all say that the reason druids covered themselves with branches and dirt and acted weirdly was to scare off people, so they could be left alone. They did that to protect sacred areas, who were also sometimes refered to as "high madness" areas; basically, areas where people would act as primitively as possible, yielding to their inner desires, and acting like all of us do, doing all those things that make no sense but that somehow we feel like doing. And we just want to be left alone innawoods.
There are even remnants of that in French.
The word "farfelu", which means "crazy and weird", and that was formed based on "frères feuillus", which means "leaved brothers", and that used to refer to druids.
The word "feuille" itself, meaning "leaf", has the same etymology as "folie", meaning "madness".
Pic related: you can see plenty of such faces and characters, covered in leafs, on the outside walls of churches, chapels and convents. They are leaved brothers, protecting this holy place; a remnant of celtic beliefs that made its way into Christianity.
tl;dr: we're druids nao.