It's an interesting idea. There is a museum in Switzerland collecting outsider art, much of it produced by people diagnosed with mental illnesses, and some of t

It's an interesting idea. There is a museum in Switzerland collecting outsider art, much of it produced by people diagnosed with mental illnesses, and some of the artists exhibited there did create rather elaborate works, e.g. Adolf Wölfli: https://www.artbrut.ch/en_GB/authors/the-collection-de-l-art-brut/woelfli-adolf https://www.artbrut.ch/en_GB/authors/the-collection-de-l-art...