Obviously a response to Microsoft's acquisitions and kind of funny that this studio once by owned by MS and Acti-Blizz ends up with Sony. Sony says they'll remain a multiplatform studio, but we all know that won't last forever.
Reminder that industry consolidation is a direct and inevitable result of big tech encroachment into gaming. Capitalism bad for games.
That and Sony has Film and TV studios
It's no secret that Bungie's been wanting to make Destiny into a multimedia franchise, which is probably why they agreed to the deal
Get ready to see see a lot more of it in the next few years