Of all the things to be incensed by on this topic, the fact that words have more than one definition (with the copyright infringement meaning going back to at least the 18th century[1] - it's not a recent derivation) has got to be the most bizarre. I honestly can't tell if you're joking or not.

[1] http://books.google.com/books?id=Bs0DAAAAQAAJ&q=piracy