Momentum and inertia

The Atlantic offers us an excellent animated video and captions it ‘no good deed goes unpunished’.
Click on the picture to watch it, brilliant 71 seconds.

The point is that the film is about way more than ‘no good deeds going unpunished’.
It’s about ‘playing with fire’, ‘assuming responsibility even for your unintended mistakes and trying to remedy them’, ‘not acting before understanding what is really going on’ and, maybe the most important of all, ‘should you give in to anger, even if you have nothing to loose, at least apparently?’