They have been driven from their homes, farms and businesses. https://en.wikipedia.org/wiki/Deir_Yassin_massacre
Then caged in camps behind razor wire for seventy-five years.
Scott Ritter said it better than I.
https://www.scottritterextra.com/p/why-i-no-longer-stand-with-israel
Fun fact: HAMAS was organised and funded by Israeli intelligence. They were the Islamist mirror image of the Kahanist Israelis who killed Yitzak Rabin.