I view Jews and their culture in a highly positive light. My contention is exclusively with the religion of Judaism. We are talking about the Jewish religion, right?
"Missed the train?" Jesus is everything to the follower of God. What gain is it to believe in God, the Law, and the message of the prophets if you reject their ultimate purpose in Christ? All of that is meaningless without Jesus, and it won't lead to salvation.
I don't know about that. Yes, Islam destroyed many Christian nations, but at least it caused a group of Arabic pagans to worship God and know something about the message of Jesus. In essence, it has had mixed consequences. If you ask me, religions such as Hinduism, Buddhism, and European paganism are the true religions of Satan. But that's another story.
Now as for Judaism, it includes many works that are not of God, including the Talmud and the writings of the rabbis. Personally I think that all of these works came from the same place as the Qur'an (whether that means the devil or not is up to you).
Actually, I think they say that Trinitarian Christians are capable of reaching the lowest level of heaven after some time in hell. But I'm not sure.