What other Blizzard titles relied on a single time purchase and loot boxes for their payment scheme? Wasn’t WoW subscription based WITH paid expansions? StarCraft and Diablo definitely had paid expansions.
Maybe the argument could be made for Hearthstone or HotS but I won’t consider them Blizzard’s flagship titles either.
People, in general, need to be more perceptive and aware of their surroundings.