I wondered this. If the aim is to get the hostages back and then use the slightest provocation - imagine a teen Palestine throwing stones as remaining IDF soldiers, for example - to immediately escalate a situation to a violent level and then use that an excuse. It wouldn’t be hard to find something, surely, or to provoke for an excuse - or just to lie, of course.
Or does breaking a ceasefire only mean bombs ? Rather than any skirmishes with IDF who remain.