I was browsing Tom's Hardware when this article popped up:
http://www.tomshardware.com/news/john-carmack-facebook-oculus-rift-blog,26425.html
If you want to skip the article and just read Carmack's response, head over to the following site:
http://peterberkman.tumblr.com/post/80827337212/wrong-and-right-reasons-to-be-upset-about-oculus