There was never a state occupied by Israel named Palestine. The reasons why there is not such a state, is because of palestinian rejectionism. Western leftists are trapped into the infamous colonialist crap invenetd by Edward Said and continued by the bunch of leftist neo fascists around the world. They hardly care about truth. They care about promoting their post colonial narrative. That is Pappe and so are most of them.
Israeli vehicle hit in drive-by shooting in West Bank; no casualties reported (Haaretz)
from the article: Israel's left needs to wise up to Middle East reality