Israel makes an effort to provide a space away from the fighting, where civilians can live until “Hamas is destroyed”. It doesn’t even have to be outside of Gaza, but it’s arguably a better security idea to make a new camp inside Israel proper
The IDF made a big noise about ‘defeating’ Al-Qassam in northern Gaza around Gaza City, that was an opportunity to provide a safe area.
Pick an open area, there’s several in the agricultural zones up north
Perform through search for weapons caches, tunnels, etc
Create tent city for displaced civilians
Offer safe passage (but like, actually do it this time) and as people arrive you process them for signs of terrorist activity - explosives swab tests, checked against known terrorist lists, etc
It won’t be perfect at keeping militants OUT of the camp, but it would help keep civilians AWAY from the fighting