No need to play it down, but no need to make it look better than it is either. That amount did not come in a uniform manner across 8 years, in fact it would be safe bet to say that most of the money came from a) subs in the first year or so and b) whales that hoover absolutely everything from the shop multiple times. How that translates to the health of a game, an MMO at that, in 2020 is open to anyone's interpretation, but let's keep things in perspective.