It's not that the models disagreed, the models reflected exactly the reality of the situation.

Sample output: "However, the definitive, legally binding determination of Israel’s responsibility under the Genocide Convention has not yet been made by the International Court of Justice"

The United Nations never made a ruling. You can have opinions about whether it should have, but the models are not lying to you, and at least the two examples above make very good efforts to explain the current accusations and claims made by both sides.