The Hamas offensive was what the CIA calls "blowback" for countless crimes perpetrated by the Israelis against the Palestinians.
Americans who only get their "news" from the MSM are shocked over the events because they receive nothing but vetted imperial disinformation. The fact is that most American citizens live in a real-life Matrix; it's not just the disinformed MAGA troglodytes.
If you want the whole story, this documentary is now available to be viewed for free.
https://means.tv/programs/gaza