This is what I pointed to. @Bilal. Hamas got Iranian anti tank drones/missile. Now it is more imperative on Israel to do full scale invasion to neutralize the Hamas asset.
1. Hamas might have some anti tank drones and missiles from Iran. Gaza is going to be Bakhmut of Israel. Close range fight.
2. Involvement of Lebanon from north.
3. Using hostages as tool for negotiation and shield against invasion.
4. ?