These people were sacrificed by Netynahu who knew the attack was coming, well before Jan 6th. His god demanded it to keep him on top. Bibi has to be in power so he can hand the kingdom over to their messiah. No cost is too high. The Rebbe said so.
Iran has too much money, buying proxy armies. Israel could hit the Iran nuke research and oil money. The US could defend oil production in the other countries not Iran.