My guess? Not many, maybe none.
Compared to the mythology spread about them, the Israelies would have to do far more to make a noticable difference.
A problem with extreme slander is that it frees the other guy to do almost as much as you accuse him of without further damage to his reputation.
Yer basic martyr isn't there because of one atrocity, no matter how bad. He's there because his commander considers it a good strategic or tactical idea.
I am not a man, I am a free number.