Wait, what?
Egypt warned Israel something like this could occur.
" Egypt warned Israel three days before Hamas massacre - US congressman"
https://m.jpost.com/middle-east/article-767816" On Monday, the Associated Press reported that an Egyptian intelligence official had said that Egypt had warned Israel repeatedly about "something big," but that this warning was downplayed as Israeli officials were focusing on the West Bank.
"We have warned them an explosion of the situation is coming, and very soon, and it would be big. But they underestimated such warnings," said the official to the AP."
" On Tuesday, Al-Monitor reported as well that senior Egyptian officials had warned Israel of an impending attack from Gaza, but that these warnings were not specific and not brought to Prime Minister Benjamin Netanyahu's attention.
On Wednesday, the Financial Times cited two unnamed officials as stating that Egyptian intelligence repeatedly warned Israel that the situation in the Gaza Strip could "explode." The officials added that there was no hard intelligence about a specific attack and this was only a "general warning.""
" The Prime Minister's Office has denied the reports, calling them "absolutely false" and stressing that "No message in advance has arrived from Egypt and the prime minister has neither spoken, nor met, with the head of Egyptian intelligence since the formation of the government, neither directly nor indirectly.""