As far as I understand, they've made many offers to release the hostages in exchange for their own people or for other concessions. You can track the negotiations pretty well, although occasionally the diplomats get bombed for some reason.

Diplomats - who don't even live in the strip - were recently (unsuccessfully) bombed.

If Hamas wants to end the war (or supposed genocide) then they can release the hostages with no additional demands. The fact that the supposed genocide victims choose to continue the war is quite the sign that this is not genocide, in what other situation would a victim choose to continue a war that is a genocide against his people?

They've offered! Israel's government is demonstrably not interested in the hostages.

The never offered to release all of the hostages, they always insisted on holding some back.

The war could stop at any minute, if only Netanyahu stops it.

Why would Netanyahu stop the war? It is the only pressure on Hamas.

The way war usually works, is the side that feels it has something to loose, sues for peace by making concessions. However the international backing of Hamas has ensured them that they have nothing to loose, and everything to gain, by attacking the Jewish state.

it's not a war Netanyahu is killing innocent people and taking a full population hostage.

Also, most of the people in Gaza are not Hamas members and are regular civilians. What Natanyahu is doing is basically analog to the following:

A killer take a member of your family as a hostage (Hamas in this case is the killer) so you decide to kill a member of their family every hour until they release your beloved one. Do you think that this is acceptable or are you trying to make it acceptable?

Do you know why you have so many videos of buildings being destroyed in the Gaza strip? Because Israel warns away civilians before destroying them. Doesn't sound to me like Israel is trying to kill civilians.