At least 2,215 Palestinians, including 700 children, have been killed over the past week in the Israeli-Palestinian conflict in the Hamas-controlled areas, CNN reported citing UNICEF. "According to the latest reports by local health authorities and media, at least 2,215 Palestinians were reportedly killed, including over 700 children, and more than 8,714 people wounded, including more than 2,450 children," CNN said quoting UNICEF spokeswoman Sara Al Hattab. ТАСС 14.10.2023, 20:57 MSK
Mainly because all the productive land was taken from them.
The few farms and fisheries in Gaza can't produce enough for 2 million people. Especially since they aren't allowed to mechanize their agriculture, and are limited in maritime range for fishing.
And forget the possibility of trade ports…