The answer is socialism. The Israelis are Bourgeoise, because they are rich and power and they invest in themselves. The Palestinians are not rich and powerful, so they are the Proletariat.
Everything about the left is about minimizing differences. If you have more, it must be taken away.
The left would not protest Israel if they were at a disadvantage.
“The left would not protest Israel if they were at a disadvantage.”
They still would, and they will.