I do agree with you a bit. But what you propose is very risky for Israel. It is impossible to know what an out of control crowd of tens of thousands of angry young men with knives, grenades and hand weapons would do to the Israeli civilian population living on the border if they broke through. Did you see the link where the Gaza PM urges slaughter of Israelis? It is terrifying.
It is very possible that if they did what you say, many Israelis would be killed. And an order of magnitude more Gazans killed to control the situation. The choice at the moment for Israel is between a known bad and a terrible and risky unknown.
Again, the situation was initiated by Hamas. They should have more consideration for their people – both in this crisis and in the more general one where they are creating a hell hole in Gaza.