CC-BY does indeed allow resale — of something that is already on the Internet for free. Anyone who pays for an object under CC-BY is either making a donation, or is paying a tax for being inept at searching the Internet. And a few key elements of CC-BY make it possible to prevent dastardly uses.
From A fool’s errand, by John Wilbanks. Read the whole thing. Apparently the IASTM (a trade org for STEM publishers) is proposing a new “open” license for OA publishing. This is a Bad Idea.