Israel has repeatedly stated their intent to continue the war in Gaza regardless of international approval. Netanyahu, among others, has stated intent to establish a long-term/permanent security presence in Gaza.
Since Oct. 7th the Israeli military has either directly killed or provided protection to lethal settler attacks in the West Bank, resulting in over 500 deaths in a section of Occupied Palestinian Territory that theoretically isn't at war. So there's Israeli military presence, violence, and oppression of Palestinians even where Hamas isn't in control.
Hamas are not good guys by any stretch, but unfortunately they are the folks bargaining for Gazans. In the face of continued Israeli aggression, disregard for international approval/law, and stated plans it's no wonder they're demanding that any deals have rock-solid guarantees on an enforceable timetable.
I have no idea how/why some people decided that she's the exemplar that should be representing them.