This. Even if we accept that fair use only applies to legally shared content—and @bb.usefairuse.com notes that’s hardly settled—a CC license can’t make it infringing to obtain files directly from publisher! I agree w/ the frustration of having our work gobbled up for profit, but not this solution.

I've been on the other side so often, forever apologizing for ancient systems I can't control. My rule now is that I never offer a stipend less than $500; if it's less than that, I try to pay in books from the university press or by offering my own time to speak/review/etc.

Much better than “article processing charge” as an APC acronym