It's allowed to talk about Duplex disc patches because you can and should be using them on your legally purchased games. The PSN releases is different because if you actually bought the game from PSN then you shouldn't need the patch - hence the piracy issue.
It's alright man. It's a common mistake
Edit: for your legally purchased games you can do a data transfer or you can log in to your account on their PS3 and download and play from there.
Fiery the angels fell. Deep thunder rolled around their shoulders... burning with the fires of Orc.