Yes, I do think that if I bought the book from eBay or some used book vendor, that does not constitute any material support directly to the author, given that the secondary used book market does not constitute any revenue directly to him. Besides which, what evil could be expected from some childhood acquaintance?
And there was that online conversation about whether I would help them with reattaching the head of Saint Thomas More to his body, buried separately, and even if you could manage to stitch that together, would it stand up and talk and be alive again? No, probably not, that would probably be a useless pursuit.