"Nothing in the scriptures say that she was exempt because of some miraculous "get out of impurity" card."
"That is an argument from silence."
No, that's what's called a reasonable inference from the facts.
"The scriptures do say over and over again that Jesus was sinless so to compare the necessity of His baptism to Mary's purification is comparing apples and oranges. They are inapposite."
"That begs the question"
No, I cited the scriptural references to Jesus' sinlessness in previous posts and the scripture for the necessity for the purification rites so this is a inference drawn from facts outside the conclusion.
No, because you are ignoring the extra-biblical facts preserved in Tradition as well as made explicit in the fathers.
Your claim that comparing Jesus's baptism and Mary's ritual purification is comparing apples and oranges simply begs the question. I already showed that the Law does not necessitate impurity; it is given to deal with impurity. Therefore, obedience to a ritual cleansing law does not prove impurity, just as Jesus's baptism does not prove His impurity.
-A8