Uh, no, Israel's crackdown on Hamas came because Gaza continued sending rockets https://en.wikipedia.org/wiki/List_of_Palestinian_rocket_attacks_on_Israel_in_2002%E2%80%932006 and suicide bombers https://en.wikipedia.org/wiki/List_of_Palestinian_suicide_attacks into Israel even though Israel dismantled its Gaza settlements in 2005 and pulled out of Gaza. Rather than reciprocate Israel's goodwill buy pulling out in 2005, Gazans just ramped UP their attacks, in response to which Israel & Egypt began justifiably strengthening their blockade around Gaza ever since.