Who's throwing away their legos? Random assortments of pieces sell for for like $5 to $10 a pound, where I live.

Who disassembles them all? That seems to be a serious chunk of the effort.

Working towards open source: https://basically.website/ (“Sorter”)

(exhibiting at Brickworld if in your area)

Article: https://www.lep.co.uk/news/lancashire-rawtenstall-lego-webuy...