Not sure how this will be received here because forums are usually the worst place to post positive info, but SE just reported that the population for this game is growing.
I just have to say, from personal experience, that I just re-subbed to the game a few days ago and am once again having a blast. I don't think I'll cancel again. In fact, I cancelled my WoW account to come back here after the Allied Race debacle.
I was only a level 41 BLM when I took a break and am now 47. Looking forward to starting HW content! I'm certainly taking my sweet time to max level.
Edit: For those that don't want to actually drill down through a financial report, here's an article about the numbers.