Well, great.
I don't think that's true. People commenting on the top threads related to the ban on the doc have said what I've said i.e. it doesn't change their views on India and they suddenly don't think everyone is a rapist there.
There was no shock value. I'm not quite sure what part of it constituted as shock value? Yeah their comments were inflammatory but as an Indian woman, I am more sad about the pervasive negative attitudes some men and women still hold onto. I never for once thought it painted everyone with that wide brush, however. Instead, it was making a case for some form of restorative justice (in the future). Yeah, I agree that the changes in mentality won't occur overnight. However, the video is part of this process. By letting the guilty and their lawyers to voice their (shit) opinion along with the victims and other third party people (like the police, other lawyers, professors, etc), it did expose the kind of thinking that led to the rape.
Jolt the orthodoxy. That should be easy, right? I think it should start with schools/universities and other education systems and also at the workplace. The entire documentary is in hindi with english subs. You don't really know that it's foreign unless you know that it's the bbc and who they are since the people filming don't talk. This wasn't about showing the mirror (since following from your argument, not every Indian is a rapist so this documentary should be painting everyone as a rapist anyway and it doesn't).
The global outrage is much smaller than you think. It's mostly online and on reddit. I and my other Indian friends don't call ourselves vile, littering rapists just because some of these problems are brought to the fore (3 years after the fact, no less).
The problem is sexual harassment and rape do exist and is prevalent enough to be an issue that would need to be dealt with. No, I'm not saying we are the #1 rape country or whatever. The stats don't mean much personallly, because it doesn't make a difference when you see what you see on the streets, train stations, markets, anywhere really.
Of course, it's not happening overnight but has to at least be started somewhere. We know some families still hold onto the beliefs (and more!) shown in the video. The solution would be to lessen that train of thought. By exposing its existence and rejecting it in the public sphere, I think it sends a greater message.