Honestly, it's currently one of the thing that might make me leave the game. I play on a decently sized realm (Zul'jin) so I never had trouble meeting people, unless I played in the middle of the night, I would always cross paths with 2 or 3 other players even in the most remote of zones, and I liked it that way.
Now, one of the things I love the most about the game is leveling alts. I love to see the character progress and I like questing. But CRZ just made it unpleasant. I used to meet 2 or 3 other players and it was enjoyable. I tried doing Jintha'alor in the Hinterlands, there were sixteen of us running in circles for the same ten mobs with two of those groups having people lvl 70+ one-shotting the mobs, a couple of people doing archeology (and killing the mobs). That one quest (Start Taking Back) ended up taking me three hours...
I do not live in the middle of the desert, I'm not starved for virtual social interaction. I loved meeting some people out in the world, but to have a bunch of people crammed like that in the middle of zones that should be remote and out of the way just completely breaks immersion (not to mention the fact that spending thrice as long on quests isn't particularly enjoyable, I do not want to make new friends, I want to see some progress on my character). There shouldn't be twenty mercenaries running around Skulk Rock.
I understand that it might be nice for people who played on dead servers, they get to see some new faces. But why did they feel the need to add this to realms who already have an High population is beyond me.