Hamas should have checked-in with the Democrats and asked whether killing 1000 or more Jews might give them (the Democrats) political trouble.
If they had done that VERY SIMPLE step, they would have been told to hold off for one more year as a mass-killing of The Jew would box-in the Democrats, who need the big-bucks from The Jew, but need the votes of The Muslim in Midwest.
So, I pin this screw-up on Hamas.
Hamas is a creature of Iran, aligned with Russia.