Israel didn't disallow food, medicine; besides the Gazans malls have been full of luxury goods for a long time as reported by all news agencies. The poverty in Gaza is a direct consequence of Hamas' aggressive policy of aiming to destroy Israel and using all its funds for weapon purchases to send rockets knowingly to school buses and kindergartens instead of trying to create jobs and help the economy. Their hate for Israel is so pathetic that they burnt the greenhouses Israelis had left intact despite their $30 million annual revenue and ready customers.
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Opening of Rafah crossing spells end of Israel's blockade of Gaza