Yeah. It's called aging. Blizzard has been around since the 90s, it's inevitable that long-time stalwarts are going to decide they have enough money to retire comfortably and do so.
Anyway that Kotaku article finally sounds like believable internal politics, instead of the trumped-up drama Youtubers feed off of.
No, the Activision vultures are not circling ready to close Blizzard at the next sign of failure. No they are not about to go bankrupt next year. No, they are not "selling out" in the name of free money.
Yes, Blizzard is trying to break into the mobile market, and especially the Asian mobile market. Yes, Blizzard is being told to cut down on operating costs in a year where we know their average users and profits are down. And yes, Diablo 4 does in fact exist.