No, I think Jira is closer to the truth, but I need to expound upon it.
GAF's current playing community is strong enough. I hop on daily and find at least five people who are doing stuff, and they're not bad players who are willing to help others out.
I have enough players on my friends list that I haven't felt a need for lobbies.
There is synergy between classes to be found. For example, Cyclone Monk + CM Wiz = good times.
Auction House is great for this game. I don't have hours of time to piss away in chat channels spamming "wuw wug" over and over again. Fuck that garbage. I post my stuff at these prices. Buy them or don't, and if you don't, I'll relist for less until someone does. In the meantime, I'll actually play the game.
D3 PVP won't be close to D2 PVP, but not for lack of lobbies - it will be because the servers wouldn't be able to handle it, and because D3's combat system is a chaotic sloppy mess. This is fine for PVE, but worthless for PVP.