It's entirely possible that sending the audience out feeling lousy was intentional

At first rather annoying in its heavy emphasis on reenactments, this movie ultimately proves fascinating, simply because the complicated, highly dramatic tale it tells still almost defies belief.

The film's masterful storytelling did its job. The message was clear. No need to overdo.

Yes, absolutely, there is fun to be had, as well as many, many things to go boom, all amid an atmospheric urban jungle.