It was rejected concept art. Remember the flying pyrimid ships in Destiny concept art. Still haven't seen those.

It's also out on PC. I know you love it. [quote]Subject to the terms of Section 5, Destiny Game along with any related DLC Releases as well as Comet shall be initially developed by Licensor to operate on and- be compatible with the Xbox 360, Xbox 720 and the Sony PlayStation 4 computer entertainment system the next successor platform released by Sony after PlayStation 3) configured for both the NTSC and PAL television/video system standards and collectively, the Xbox 360, Xbox 720 and PS4 are referred to herein as the "Destiny Game #2 Console Platforms"), and personal computer with Windows-based operating system "Destiny Game #2 PC Platform") (the Destiny Game #2 Console Platforms and the Destiny Game #2 PC Platform are collectively referred to herein as the "Destiny Game #2 Platforms"). The parties hereto agree that prior to commencing production on the Xbox 720, PC and PS4 SKUs of Destiny Game Activision and Bungie Development and Publishing Agreement (Destinj/)v11 2[/quote] http://documents.latimes.com/bungie-activision-contract/

You know that is unused art, right? They may not even get anything close to a spear.