They think they have Israel on the ropes. Israel's military is better-equipped and better trained, plus virtually every adult in the nation has military experience. The Israeli leadership is also smarter than any of the leaders of the countries that surround it.
Iran's leader is a hateful little bastard, but most of the citizens of his nation realize it at this point. The Syrian leadership is barely hanging on and Egypt has not stablized yet from it's revolution.
Ask the vaunted IDF how they made out the last time they attacked southern Lebanon.
The theme of all of this is that black criminals should be allowed to prey on the rest of society unrestrained, I guess because they are black and most of the time the Obama administration is in full...