You have not been looking around much after the patch have you? CRZ works if the area is CRZ, was doing rep dailies in SMV (Shadowmoon Valley) yesterday, there were people from Borean Tundra server, Stormreaver, etc., etc. You do not need to be in a group to see people cross server. The thing is that I am not sure if Blizz ever stated that nodes were shared cross-server, if somebody can confirm that, let me know. I have a feeling that either spawn rates have been increased or they are not shared because I still get plenty of nodes per night.