The father was an intelligence officer
with the Fatah Party. In a real execution, you would kill the father. By
killing his kids, he becomes a vengeful time bomb, and the killers will
pay the price.
Only Israel kills children, and only
Israel will benefit. Their goal is a civil war between Fatah and Hamas ,
then they get to blame their bombings, and assassinations, on the Arabs.
What Israel does now is have a Shin Beth mole lay out evidence to the
father, and a plan for a revenge attack.
This is the same game Israel plays in
Iraq with the Shiites and Sunnis. They blow up a Shiite mosque and have
their Israeli poodle, Muqtada al-Sadr, retaliate by bombing a Sunni
market.