The big mistake Megaupload made was charging copyright holders a fee to delete a link to their copyrighted content, but not deleting the content on the backend.

The big mistake Megaupload made was charging copyright holders a fee to delete a link to their copyrighted content, but not deleting the content on the backend. This was what allowed the prosecutors to bring out racketeering charges, bring the full RICO act to bear, etc.