They wouldn’t fight the landlords because a lot of them are landlords.
They would simply lobby to have the law repealed or, more likely, vetoed before passing. Failing that, they would exploit every loophole and edge case to take advantage of it and cry to lawmakers and voters that the law is the problem rather than their circumvention of it.
If only there were some other way to transport aid into Gaza. Maybe an existing pier or some kind of road. What a shame, I guess we’ll just have to spend another third of a billion on dragging the worlds most expensive artificial reef off the sea floor