The obvious issue is recovering epic/paragon spells with consumables.
I think this post is where we got pretty sidetracked and went down a dark hole, because it seems like many people feel as though recovering ISNT the obvious issue, just the frequency of use is. Some were reacting to this (myself included) in addition to reacting to the other points presented in the OP. It's hard when one person says "X is the obvious issue" and other people are saying that "Y is probably the issue" and people are posting in real time, which means posts are popping up while people are typing that either answer questions or invalidate concerns.
This is an entirely level-headed and reasonable interpretation of this thread's development, which does not involve any conspiracy theories or nefarious intent. I reject it out of hand.
So I think we can avoid further conflict in this thread, and hopefully all get along. I'm not going with the bio idea as it creates too many downstream problems. Just CDs on the problem spells, which are all pspells, as far as I am concerned and aware. If anyone wants to highlight problem spells, let me know, though there are a few very obvious offenders.