I think real life isn't as black and white.
Even if I try to keep a neutral view and try to get information, I don't get any. People are attacking me, even if I am not sure what for. (and I suspect it is about a lie) So, if no-one is interested in aligning information, then ignorance wins and one can always consider oneself the "good guy", because one avoids any information to the contrary. People don't seem to like to figure out what's really going on. And that's very counter-intuitive for me.
I guess, it's easier in the movie because the story is laid out and you can assume that the good guys will win in the end.