nationalist PLO/Fatah. Israel supported the Islamists to cause splintering of Palestinians to claim it is impossible to negotiate with Palestinians due to their fragmentation.
"Anyone who wants to prevent the creation of a Palestinian state needs to support strengthening Hamas,” said Netanyahu at a Likud party meeting in 2019. “This is part of our strategy, to divide the Palestinians between those in Gaza and those in Judea and Samaria."
https://www.theguardian.com/world/2023/nov/21/the-netanyahu-doctrine-how-israels-longest-serving-leader-reshaped-the-country-in-his-image