Some physical books cost 3 bucks, new, others are 30, some textbooks 150 USD. Distribution costs have little to do with it. Not that I'm defending predatory tex

Some physical books cost 3 bucks, new, others are 30, some textbooks 150 USD. Distribution costs have little to do with it. Not that I'm defending predatory textbook pricing, I totally support copying those 150 USD textbooks, whether it's digital or, old school, photocopier copies.