I had to re-read Pope's thread again, and there are a lot of solid ideas in there, as expected, since Pope usually does solid work.
I will say though, it makes me a little uneasy if that is the sole piece of feedback they are using to fix GW? I don't know how much it plays a difference, but runes vs no runes, max cap, etc.
Also, and maybe I shouldn't even bother bringing this up... but they broke matchmaking 2 months ago and we were told that was their #1 priority back then. Have they really done no design on it since? I am confused.
Also, not that my ideas are nearly as fleshed out as Pope's, but you can at least garner the major concerns from top guilds here: