Yes, a CMU Professor publicly endorsed him and mirrored his PS3 jailbreak on his .edu site: http://www.cs.cmu.edu/~dst/GeoHot/
He wrote a silly rap attacking Sony:
Sony themselves reweeted their own PS3 Master key: http://www.cs.cmu.edu/~dst/GeoHot/images/sony-tweet.jpg
He settled out of...