Trevor Strong of the Arrogant Worms thanked me for downloading their music. Of course downloading the music made me a big enough fan of theirs to drive 300 miles to see them in concert as well as buying several CDs there. I also introduced many people to their music.

Point being I think many artist are open(ish) about sharing music (for example). It does seem things like SOPA come from far larger groups like the RIAA.