They were absolutely the aggressor from the beginning when they were appropriating as much land as possible, and bombing hotels. Then, they massacred Palestinians and drove them out of their villages. They stole vast amounts on land in 1948, and the partition was a joke. Then, they started the 1967 war which led to UNSCR 242, which has still yet to be implemented.
The offer at camp David was garbage, and created 5 Bantustans for Palestine, leaving Israel in complete control of their territory.
If Iran was right next to Israel, and treated the Israelis how they treat the Palestinians, we would have invaded and overthrown their government long ago.
It is an affront to human dignity, and international law that Israel gets away with what it does.