It was NOT a defensive* move to take Israelis from Gaza. It was, as I have several times explained, a "brilliant, simply brilliant" move by Israel - really the only way Israel could insure that the rest of the world united on the need for a Palestinian state did not try to ram one down Israel's throat. Again brilliant, simply brilliant!
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*I have many times described in detail a truly DEFENSIVE option for Israel, asked you at least 10 times to tell why not try it to reduce the loss of innocent life and probable totally eliminate both the rockets and the few Israeli terrorist caused deaths that currently occur (far fewer than Israelis make with their car accidents.)
My bones are getting more brittle. - Don't make me fall out of my chair by answering this question on the 11th time it has been asked.