Bullshit. Affleck even basically apologized.
The intro is lazy because the rest of the movie does not match the intro's narrative. It's like, "These are the reasons why the Iranian Revolution happened, we're trying to give a balanced perspective, now let's just have the Iranians become a bunch of buffoons for the next two hours." It's shoddy film-making because it makes the intro feel out-of-place, even when it's supposed to give vital background information.
What do I care that Affleck apologized? The intro provided the necessary context for the story and that was enough for me. The film wasn't about the history of the Iranian revolution or even the hostage crisis anyway, it was solely about Mendez's mission. All you need is the background info to inform both the Iranians' actions and the American response, which the film had.
Again, if the movie just opened with a bunch of angry Iranians and zero insight into the political situation around the event, then you'd have a point. But the film did address it, and you can't just dismiss it as Affleck's attempt to be balanced - which is an especially asinine criticism in this case - and then turn around and complain about him not being balanced enough.