The land was occupied before Hamas even existed, Hamas and the hatred that formed it did not come from nowhere, they came from years of dispossession before that point. It is a horrible organization but it is a symptom of the broader problem, who wouldn’t hate the country that destroyed their communities?
Jews have always been there, it wasn’t about “Jews entering,” and “Arabs” did not hate Jews, this is just a blatant misreading of history. It was an opposition to Jewish Nationalism and settler colonialism, not to Jews. There was antisemitism that became more prominent as time went on in conflict but the root of it was never that
It's still the best solution. But it'll only be possible with the evacuation of Israeli settlements in the West Bank, the establishment of a stable, non-revanchist government in Palestine, strict borders, and oversight from the international community to ensure that neither country involves itself in the other's affairs.