Isn't Ratzinger the one that was behind the announcement that the Jews can reject Jesus and find salvation, as they continue to wait for their own savior?
There was no such announcement.
It is contrary to the Catholic faith to consider the different religions of the world as ways of salvation complementary to the Church. ... According to Catholic doctrine, the followers of other religions are oriented to the Church and are all called to become part of her. - Cardinal Ratzinger
But he added that when the Jews finally recognized/met their "long awaited" Messiah,they would find that He was Jesus Christ.