This is the flaw in all the religious communities devolved from Protestantism. Continually grasping to recreate a form of biblical Christianity, using only their wits, whilst conjecturing that the Christians that came before them had it all wrong and they themselves have it all right. Joseph Smith took this reconstructionism to an extreme.
Since Reconstructionism and Reformation both lack real, genuine, apostles, and both deny historical Orthodox Christianity, they have no root, they have no legitimacy. They are each generation's best attempt to create a religion from the Bible with their own era's accepted manuscripts, translations, and cultural biases. They are separated from the one holy catholic apostolic church, some by choice, and some by accident.
That's why we don't get Mary, because all we have is a bible. In it we find nothing about immaculate conception, ever virgin, mother of god, mother of the church, queen of heaven, distributrix of all grace, co-mediator, co-redeemer, omnipresent hearer of prayers, unbroken hymen, bodily assumed into heaven. Why with only a bible we are completely in the dark and lost about all of the wonders of Mary aren't we?
So, one of us has a big problem!
Has Rome kidnapped and kept John in the Roman cats so that they have a last remaining Apostle? Magic Thinking has given rise to the notion that Apostles exist in our day. The original Apostleship ended with John’s death, unless the Vatican has somehow kept him sequestered for their empowerment.