Well the difference is that Israel has invested in desalination at a widespread level. They've been able to irrigate the desert and turn inhospitable land into arable farmland with that investment.
While 10,000 visas may seem like a lot, it actually doesn't go all that far for the sort of crops that must be picked by hand.
Since October 7, some 8,000 foreign agricultural workers have fled Israel out of 30,000 foreign workers in the farming sector
...
some 20,000 Palestinian agricultural workers have been banned from entering the country
I'm no mathematician, but their ethnic cleansing project may be getting too big for its britches. Ask the right-wing Zionists who they expect to pick their crops after they banish all the scary people; then ask a Trump supporter the same about migrants, you'll get the same vacant stare as they attempt to grok that actions have consequences.