This may escalate into the Psalm 83 war in which the nations directly around Israel are destroyed. Some people look on Psalm 83 as a future prophecy that has yet to be fulfilled. Some think it was fulfilled in 1948. It's hard to believe that neither Israeli intelligence nor US intelligence saw this war coming. Considering the scope of the attack it must have been in planning a long time.
This attack on Israel would have been known.
It was allowed either to attack Netanyahu because of the Judicial Reform bills or to create a justification for Israel to clear out the Palestinians from Gaza and maybe the West Bank.