It is not illegal to break RSA encryption as an academic exercise. There are specific exceptions in the DMCA for academic research which cover this activity. People who expose weaknesses in encryption algorithms serve a valuable purpose in the security community and are not at all "douches."
You are right. People who expose vulnerabilities are really our friends in the short and long run - HOWEVER I think Mike's point was that he's arrogant enough to get into the stuff he shouldn't.