Israel has killed 10s of thousands of Gazans after Hamas killed ~1,200 Israelites. IDF might have known about the attack plan PRIOR to it happening. Israel WANTED an excuse to slaughter Gazans IMO.
https://www.mercurynews.com/2009/08/29/secret-camps-and-guillotines-groups-make-birthers-look-sane/ Some people will do just about anything to get ahead.