Gaza: scare tactics leading to new refugee crisis?

Disturbing reports from Khalid Amayre in Egyptian paper Al Ahram (in English, this time):

In its blitz on unprotected Gazans, Israel has introduced a new tactic which takes the form of a telephone call to Gazan families from the Israeli Shin Bet (domestic intelligence agency) warning that them that they must leave their homes or be bombed within 20 minutes. Predictably, the manifestly sadistic tactic has terrorised the entire population, many left wondering if a given call is genuine or a hoax.

Some families, convinced by such calls, have left their homes at two o'clock in the morning only to see them bombed directly by Israeli F-16 fighters. Others have abandoned their homes and seen them stand untouched. So fearful are they that they refuse to return in case bombings are merely delayed.

In 1948 they sent a band of rowdies to scare Palestinians out of their villages; the ones who left are still waiting to be allowed to return.

In Lebanon Israel justifies its mass killings by saying "we told them to get out". But where can they go from Gaza? Into Israel? Hollow laugh. Anyone taking that route gets shot.

Who is pushing whom into the sea?