I find this question troubling really.. From the perspective of Islam (which is tail-end backwards in comparison to Judaism on most things) really we could ask the better question: What is the point of Christianity or Islam? Judaism doesn't reject science, mistreat their women or consider them less, and they don't marry their prepubescent girls to old guys or behead children from trivial infractions. Islam, my friends, does all of these things and worse... The Jews don't automatically assume you are a sinner, and if you are not one you are still in good with the big kahuna.
Christianity used to be nearly the same as Islam on these subjects if you roll back the clock... Now, it has switched to a passive-aggressive version involved in demeaning people into it's world-view. I don't get that either.. Christianity may have died out actually if the Puritans hadn't jumped the water and came to the USA. It was crumbling everywhere since the renaissance. Catholics in particular are making headway and maybe are catching up with the Jews for tolerance... It might be only a little while... The original sin banter is dying out...
Islam used to be a much more tolerant religion back in the day happily co-existing with everyone else... Then the radicals took over... Now it's quackery... totally ape crazy...