Jewish population in Palestine before the aliyas in the 19th Century was below 5%. Besides, just because a few natives professed the Jewish religion it does not mean that a Russian citizen who also happened to profess that same religion has any right to that land. Native Palestinian Jews, Christians or Muslims were the only ones entitled to decide the fate of the land where they and their ancestors were born, not foreign colonialists no matter what their religion was.
Two seriously wounded in crime-related shooting in Netanya (Haaretz)
from the article: The Palestinians must not repeat their mistake of 1947