Why was the 2005 Israeli withdrawal from Gaza not closely coordinated with the Palestinian Authority?

The 2005 Israeli withdrawal from the Gaza Strip was carried out unilaterally by the government of Prime Minister Ariel Sharon rather than through close coordination with the Palestinian Authority (PA) due to the breakdown of the peace process and tense relations between the two sides.12

Following the collapse of negotiations during the second intifada, the Israeli government concluded that the occupation of the territory was unsustainable but chose to proceed with the disengagement on its own terms. Consequently, the withdrawal was executed without collaborative planning regarding the mechanisms, resources, or administrative strategies required for the PA to secure and develop the territory. This lack of coordination occurred amid significant political instability, as the militant group Hamas—which had opposed the Oslo Accords—was gaining influence and eventually took control of the Gaza Strip from the PA in 2007.123