Same playbook the IDF ran during the Sabra and Shatila massacre. Cordon off an area and let some militia do the dirty work. Bet they'll investigate themselves after the fact and conclude they had no "direct responsibility", just like they did previously.

Colonizers

So when do the Palestinians in the west bank have a right to defend themselves.

The report of the Israeli watchdog NGO Peace Now they talk about in the article can be found here:
A Good Year for Settlements; A Bad Year for Israel: Summary of Settlement Activity in 2023 -15.2.24

Israel's neighbors really need to come in and send the colonizers home.