I was the one who first posted about the PIN code trick several years ago (on this forum). At that point, there was a very specific way of getting one, and it worked for me and some other people. However, since then Disney changed the layout and format of their website -- and they caught on to all of the people saving hotel rates and trying to get PIN codes, or PIN codes going to waste and not being used -- and then they changed the way they send them out. They are not as free with sending them out anymore. Lots of us no longer get them. Also, their attendance has gone up and more people are going to stay onsite anyway -- so there is not as much need to send out promo offers.
It was nice while it lasted.