Interestingly, the David and Goliath narrative is built upon the fallacy that Israel was supposedly outnumbered during the 1948 war. The Arabs weren't only outnumbered by over 10,000 men but also suffered from internal divisions and weren't able to capitalise on the June ceasefire as much as the Israelis. It wasn't really all that surprising that the Israelis won the war.

I also think that the idea of Palestinians as a whole approving of massacring children is kind of stereotypical. I've witnessed the greatest naivety and misguidedness amongst pro-Palestinian supporters, but advocating or approving of suicide bombing goes a bit too far.