The big advantage that they’ll have is to quietly infiltrate the civilian population, and then draw fire on them, and then blame Israel, which the International Con-you-nitwits will take at face value, thereby giving them a pretext to obstruct the IDF, and Hamas will not be wiped out, just lick its wounds, steal “humanitarian aids” from the human beings it was supposed to aid, and start the whole thing over again. It’s already started.
‘Palestinian’ terrorist reveals in the investigation: “Hamas operatives place civilians on the roof of the house so that the IDF does not shell”
https://freerepublic.com/focus/f-news/4197883/posts
Reporter Cuts off Gaza Hospital Interview after Patient Says Hamas Terrorists Are Hiding Among Wounded
https://freerepublic.com/focus/f-news/4197529/posts
I agree that it's crazy to stop a war over hostages and the risks to Israel are very high.
On the other hand, there is not a lot of meaningful resupply that can be mobilized and delivered in 4 days given the situation on the ground in Gaza so resupply is problematic and the biggest play Hamas can make is to disrupt the pause for PR which is exactly the situation you are concerned about.
Hope the IDF has a plan to take advantage of their pause and to prevent Hamas from doing the same.