Honestly, I'm surprised that Civ V is so far running away with it. I thought that StarCraft II was still popular in the community, and it was definitely more popular with the staff members. Also, there's been a bit of negativity regarding Civ V post-release, from people who thought it was a step back after IV.
As for Civ, for every one PC old guard neckbeard who reads Rock, Paper, Shotgun who didn't like the changes in Civ V
I didn't like the changes made in Civ V, and I have legitimate reasons for it.
You're right though, for most Civ V was their first introduction to the Civilization series, and that series is phenomenal enough to easily stand above Starcraft II, regardless of the game that introduces you to it.
@thompson820: if you're compulsive and are having trouble stopping, finding yourself going back to the site or leaving it open, you can free yourself from that compulsion by just getting all the cookies.
because, let's be honest here, this game preys on compulsive behavior, it's not providing stellar gameplay.