"The crossing is used for agricultural produce and to send humanitarian aid into the Gaza Strip." There have been several attacks recently by "militants" on the crossing used to send fuel and food into Gaza. They are playing a "heads we win, tails you lose game." Keep the crossings open, and we'll kill Israelis. Close them, and the wrath of the "international community" will come down on Israel for a "humanitarian disaster" in Gaza. Whether or not the people of Gaza suffer and starve appears to be of much greater concern to the Israeli government than to Hamas.
Hamas Attack on Gaza Crossing: