I don't know if capitulating to theocratic regime in their attempts at nuclear proliferation (which will likely set off a regional nuclear arms race) is something to be proud of.
Well, since the US didn't capitulate and the regional nuclear arms race was already in progress I guess it goes back into the things to be proud of column; although, really the only ones who are upset with this deal are hardliners in Iran and Israel and the fact that they are upset is a stronger indicator that this is "a good thing"(tm) than any punditry we will hear over the next few weeks.
Frankly, the theocratic regime with attempts at nuclear proliferation we should be afraid of is Saudi Arabia. They'd likely buy bombs from Pakistan in short order if they decided they wanted one.
If Israel having nukes hasn't set off a nuclear arms race I'm really confused as to how Iran not having them is supposed to.