"Once more than half a million Palestinians [have evacuated], criticism of the Hamas leadership will intensify to the point where signs of its collapse may begin to appear. " Civilians evacuating from their homes, rather than being killed in war, is what actually puts pressure on Hamas, an Israeli security source told Walla, adding that once more than half a million northern Gaza and Gaza City residents move to the south, the pressure put on Hamas will have created a “breaking point.