I don't think your provoking theory holds because before the massacre on 7th October, the situation between Gaza and Israel was improving. That's also why intelligence didn't think Hamas would start such a massacre.

Israel tends to eventually destroy infrastructure that's (dual-)used to increase Hamas terror infrastructure. Unfortunately, that's virtually all of existing infrastructure right now.

Why hasn't Gaza normalized it's relationship with Egypt? They have closed their borders to Gaza as well because Hamas is friends with Muslim brotherhood and apparently Egypt thinks a proper border with Gaza would do harm to Egypt.