if we follow your logic and argument no title to land is sacrosanct ! by the same token all land owned by churches in israel is open to purchase by anyone ! perhaps the vatican should be consulted or the greek orthodox church ! jnf land is no different it is not available to anyone outside of its restrictive covenants !
Man shot dead in northern Israel town of Bi'ina, police say the murder was gang related (Haaretz)
from the article: Who needs the JNF?