This is what Man's Tradition does, it attacks Scripture and its authority.
Not one word of Scripture will fall to the ground, each verse is more precious than perishable gold. It is because God ordained it to be so and that He Himself is "The Word of God".
Catholics should leave any church that attacks Scripture and the Scriptures Authority. And especially in the light that the Tradition of Marianism will produce its fruit in due season. It just might not taste so good.
The exegesis provided in your post is seriously flawed. Your understanding of historical reality leaves much to be desired and will not serve you well in your final judgment. It will only provide eternal disaster with a burning taste in your mouth.