It is expensive and you need the right machinery to extract sea salt.
You also need intelligence, so this process is wholly outside the abilities of the primitive, inbred Paleostinians.
-—you need the right machinery to extract sea salt-—
No, you don’t
All you need is a very shallow pond and the sun. The sun evaporates the water leaving the salt. the process has been used for ever. In the 60’s I flew over many such very large ponds just out side manila
The Israelis do it, and the terrorists living in Gaza can afford it.