FQ,
It is about more than bank money. I read your thoughts as being the old "boys will be boys" idea of street racing and vandalism. At some point all citizens need to say enough is enough, and this behavior is not acceptable!
Watch the video. This customer took a very calculated high percentage approach at the robber. Sure there is risk in this, but there is risk in doing nothing as well. The female customer ... I believe she could build a case for assisting in the take down without going overboard. A struggling bad guy in the arms of a good guy, and she gives him one kick to the upper body or head. Bad guy settles down, and she does not continue to kick.
Money is insured ... Sure it is, but what is it insured with? Even though banks pay premium it is all still your and my money. This is a public "insurance" (translate as poorly funded and tax dollars).
I'm not for us all becoming wanna be cops, but we need to take responsibility for our society or we will lose it. I don't want to give it away in a time when too many are trying to take it away from us.