They have. The issue is that their country was drawn up, by Europeans, without the consent of the people that were already living there. So the Palestinians, rightfully, don’t want any Israel to be there at all, on account of it being on land stolen from them.
I know a lot of the world is European living in stolen lands, but, surprisingly, none of the rest of the people give a single shot what happened in the last 500 years, they simply just want the intruders gone.