You haven't completed it so you don't you know the pain of

A) The wAit between 3.0 and 3.1

B) Being around for diadem's launch

C) the raid being so hard and pointless that it kills off any drive for most of the raiding sCene to complete it

D) Diadem BiS for a few weeks, and then a quick nerf immediately killing it

E) rEd scrips

F) Blue scrips F

G) Crafters are no longer required for melding - YAY, the only thing that crafters could do is now gone! Awesome! Gathering still tied timed nodes, except for a good while all of their time was dedicated to a weekly currency! COOL!

H) a wHole bunch of other disappointing things.

This has been a dreadful expansion.