Found in 1 comment on Hacker News
ucee054 · 2013-06-09 · Original thread
This has actually been studied:

http://en.wikipedia.org/wiki/Dying_to_Win:_The_Strategic_Log...

http://www.amazon.com/Dying-Win-Strategic-Suicide-Terrorism/...

TL;DR People do not run kamikaze attacks against other people for being less religiously conservative than they are, they run kamikaze attacks against occupiers.

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