[Tade0]

Ultimately it's Iran's call who takes power in Gaza, as they've been funding various groups based on the willingness to engage Israel - for this reason the PLO originally fell out in favor of Hamas when it softened its stance.

[pydry]

Ultimately it will be

A) Israel who takes power once the population has been exterminated down to a size they can manage.

B) the israeli regime will be overthrown with military force by an international coalition excluding the west.

Currently A seems more likely. It would not be the first successfully executed genocide.