How many of the hostages have been killed by Israeli bombing? They even shot three who emerged waving white flags.
Do you really think it's possible to eliminate Hamas? Would it be legitimate to kill all 2 million Gazans to be certain they'd got them all?
Brentwood seems to think that it would be....
I'm afraid in my opinion you aren't reasonable on this topic.
Hamas hoped it could use the hostages as a human shield, as it uses Gaza schools and hospitals. Israel won't be blackmailed.
Have you asked yourself why Egypt and Jordan won't take temporary Palestinian refugees? Because they know the priority refugees will be violent militants that will sow discord and misery in their new home.