Carmack is talking about VR. Most high-profile console games run with latencies in the three digits. (E.g. lookup Eurogamer's Digital Foundry articles on latency.)
Of course, adding another 200 ms in the middle won't exactly help...
Of course, adding another 200 ms in the middle won't exactly help...
See http://www.computerandvideogames.com/videos/e3-2011-john-car... - around 16 minutes in he mentions how a few frames latency makes a big difference.
A lot of console games indeed have pretty awful latency, and don't get a smooth 60fps either. And TVs can add latency on top of that with the postprocessing they do.