I can agree there are two opinions about whether the Jews will convert or not,
The Church Fathers are unanimous that the Jews, as an entire religion, will convert post-anti-christ, before the end of the world. This victory is reserved for Christ alone.
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If you want to argue that there will be a large number of Jews who convert post-WW3, post-consecration of russia, ok but that's not the same thing as the end of the Jєωιѕн religion, which will happen before the world ends.
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The reason why the jews won't totally convert in the period of peace (i.e. Age of Mary), post-consecration of russia is because who would be left to bring the anti-christ to power? In the age of mary, the whole world is generally/politically/socially catholic, but, as is usual, some jews will work behind the scenes to destroy the Church and bring about the "man of sin" and the end days. But Christ will conquer him and the jews will finally return to the Church.