Hamas was built over a long period by Iran, through Syria. Iran is much weaker than before, Syria is no longer a route to send supplies, and Hezbollah has been gutted.
Hamas was for the vast majority of its existence anti-Iran, and instead was supported by various Sunni groups like the Muslim Brotherhood. Extrapolating convenient conclusions doesn't help anyone.
Concretely, Israel will not be caught offguard for an Oct 7-style attack for quite a while. So the macguffin (hundreds of hostages) will probably not come up again.
