What? Are you serious? That doesn't even make any sense. The AH exists as both an RP and key economy element of the game - to allow players to trade materials between each other. It's not an "optional extra", without it those without gathering professions have no means to obtain the mats they need to create the very items their professions allow. CRZ is their attempt to mitigate the need for realm consolidation and retain paid for transfers - both are real world economic factors which far outweigh anything else these days. As noted repeatedly by many many people including me elsewhere - WoW doesn't benefit from having loads of people in a zone bar world pvp (and I'll bet my rear end it does little to help that). It barely did in Vanilla and TBC when group/raid quests and (properly) elite mobs existed and thus having large numbers of peeps around was "necessary". It certainly doesn't have a place now, not while they don't go the GW2 route and enable shared tagging for all mobs and resources.
And on a similar note - have to agree with the person that said interviews like this latest Cory Stockton one are getting old. "yeah, we'll certainly look at doing X, we hope to do Y, it'd be great if we could implement Z" - meaningless since we know only a tiny fraction (if that) will actually get implemented - transmog, wow, they added an iItemTransgmogId field to the char items database (or whatever they named it

) ... must have taken minutes that. Yes yes, they had to add the interface, big deal. They should probably stop giving interviews where they seem to act more like players reeling off their wishlists.