"We failed Horrifically"
http://www.gamespot.com/articles/blizzard-on-cancelled-titan-mmo-we-failed-horrific/1100-6439068/
It's really quite depressing hearing them explain how it all fractured around Titan, where many lead devs got too big for their boots, not familiar with the concept of failure. It made me quite teary. Now we all know what went down, occam's razor holds true.