Estimating profitability

Hagu recently suggested an interesting topic to suggest, the profitability of MMORPGs. He writes: "Topic suggestion: game profitability and why people quote subscribers. In particular, what do you game insiders/cognoscenti use to estimate profitability. In particular, how many subscribers does it take to support a developer.Personally, I think a game with 20k subscribers with a nice profit margin is doing better than if SWTOR gets 999k subscribers and loses money.Specifically, the 350k subscribe

World of Warkraft...