I have to admit, you got me there
I have fond memories of Midi Maze on my old Atari Mega 2, but from a game engine pov it was nothing special (apart from the nifty MIDI based networking).
So which FPS game engine before Quake3 had curved surfaces?
Anyway, at the very worst ‘visionary’ might be stretching things a bit, but I’m still not sure how one can deny his influence in gaming history.
I’m absolutely not in the “Carmack is teh awesome 3d codez god” camp, but there’s no denying he’s one of the best at what he does, and he is also vocal in his opinions and he’s often right. So my point is: No wonder the media takes note and take him seriously; they’d be stupid not to.