The above is nonsense. Hamas uses these people as biodegradable sandbags.
It cannot be repeated too often that the obvious reading of Articles 28 and 29 of the Fourth Geneva Convention says Hamas is responsible for any civilian deaths in the areas they occupy. Those civilians qualify as Protected Persons within the terrorist’s physical control and cannot be used to render certain points and areas immune from military operations.
There’s even video of Israeli soldiers leading Gazan Refugee columns to safety...