Most definitely, yes. I can tell you an anecdote from a student of mine at McGill, a graduate student, who was a very devout believer in the regime and who questioned many of the things I would tell her about what happens in Evin prison and Iran's torture chambers. She came to me after being in the streets, saying she saw with her own eyes the Basij thugs beat an old woman to death.
What happened in June 2009 is that all of the horrors and abuses that for 30 years took place behind closed doors came out into the open, and the Iranian public saw with its own eyes the regime shooting and stabbing people simply because they wanted the right to have their vote counted.
The legitimacy of the regime cannot be recovered again, which is why a regime with all the oil wealth and weapons at its disposable is so desperate to control the flow of information through the Internet and through satellite television.