If I may play devils advocate here:
I have a "friend" who has apparently recently downloaded Auto Tune 5 in full working order from piratebay.org along with other such groovy software as Guitar Rig 3, waves diamond bundle, amplitube, Kontact, ImpOSCar, Zebra, Minimoog and so forth. These vsts are apparently fully working and not demo versions. Whilst I would fully condem such illegal activity it raises quetions of why there is such a demand for this file sharing (utorrent apparently) sort of activity