I feel all the people defending Israel would be the exact same type people who would have defended the building of concentration camps and gas chambers.
Some people enjoy the idea of genocide genocide because they believe they will never be effected by it and it could never happen to them. It makes a nasty kind of hate run through them, where they want to see a group of people harmed or punished en mas, for the perceived crimes of a few.
This is true hate, it's beyond even racism or being ablest, because they not only condones the actions but also enjoy the suffering of others.
I'm sure this will be countered by many people suggesting that Palestine has also committed crimes. Frankly, looking at the numbers, they pale in comparison. Palestine is not capable of starving an entire generation of children. They don't have advanced weapons. They are not levelling buildings with families inside.
This kind of killing, is the equivalent of a man being found guilty of a crime, and in retaliation we kill his neighbours, then starve his wife and child to death. As much as bad people exist in Palestine the majority are simply just trying to live their lives. It's easy to see why the Palestinians would have hatred towards Israelis after everything that has happened. Nothing in the world will create more anti Israeli feelings and radicalise more young men than the indescriminate slaughter of thousands of people.