[PassTheAmmo]

Yes, but already in 2007 his position had changed quite a bit. From http://en.wikipedia.org/wiki/Comparison_of_OpenGL_and_Direct...:

In January 2007, John Carmack said that "…DX9 is really quite a good API level. Even with the D3D side of things, where I know I have a long history of people thinking I'm antagonistic against it. Microsoft has done a very, very good job of sensibly evolving it at each step—they're not worried about breaking backwards compatibility—and it's a pretty clean API. I especially like the work I'm doing on the 360, and it's probably the best graphics API as far as a sensibly designed thing that I've worked with."