Good to hear your views. You are obviously intelligent and compassionate. So it won't be difficult for you to understand that just as Islam has gone through interpretation and reformation, so has Judaism. In fact, of all the religions, Judaism has the largest proportion of adherents who do not take their scriptures literally. Those Jews should be your friends and collaborators; don't waste your energy butting heads with them.
As for understanding any scripture, the context is all important. The Indian member who you are referring to may not have known either context or interpretation, and made the mistake of taking the verses literally. It is our duty, in the interest of the greater good, to inform such people. Maybe he won't listen, but others reading it will surely understand and learn.
I am in the middle of writing an article about Islamic Jurisprudence, as I think it is one of the most relevant subjects about which people are extremely ill-informed. Interpretation is everything, and people should be aware of the various schools of interpretation that Islam allows, giving rise to a diversity of belief among its followers.