They are children being taught to hate. Not sure if Israel should wait for them to become terrorists before they kill them.
Very much like the Hitler Youth in 1930's Germany. And the solution is not to kill them all, but to utterly destroy and discredit their ideological foundation.
Churchill and FDR made sure that nazism was ground into dust. No Hitler Youth camps after 1945!
But Bush II did not do the same in regards to radical islam. Right after 9/11 he could have, but instead he went for the Vietnam hearts-and-minds approach of LBJ.