Netanyahu Received an Explicit Warning Days Before Oct. 7

"Israeli support for Hamas" - https://en.wikipedia.org/wiki/Israeli_support_for_Hamas

"...In an interview with Israeli journalist, Dan Margalit in December 2012, Netanyahu told Margalit that it was important to keep Hamas strong, as a counterweight to the Palestinian Authority in the West Bank. Netanyahu also added that having two strong rivals, this would lessen pressure on him to negotiate towards a Palestinian state..."