I know how long dev takes, I've been a software programmer and designer. Show me a dev who is not passionate about what they do, it's par for the course. Bit of a stretch to say first game of this kind given the years of experience background with halo, if they had made a racing game then fair enough, but destiny is not a massive stretch from their experience and what really is the issue is the arrogance to not buy in expertise or learn from others.