That was in August, we already had the quarterly report for that period. They tend to specifically mention Classic if it's driving anything and despite Naxx coming out, social media for Classic is oh so quiet.
Makes sense, since they 1) Didn't advertise and 2) Shadowlands launched just a week ago.
"Player engagement" with the "Franchise" though, on closer inspection, doesn't necessarily mean that the MAU's are beating any records. The franchise involves 2 games and books. In the context it makes more sense to be about people actually playing the game, but it's a BS corporate term that they could easily replace with conclusive terms.
Either way, it's a good thing that the game has a lot of people focusing on it. Gonna be fun seeing the next quarterly, unless WoD-style...
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The wow token is probably one of their biggest cash cows for the game.
I wish they'd slash the price on character services, they could probably do that and grow profits from them as more players would utilize them.