It will, I suspect, go the way of the Hagia Sophia and be repurposed into a mosque, probably within many of our lifetimes.
Many will not even fight for their own family if the need arises.
The only hope is to reestablish the West and militantly Christian.
I hold little hope of that happening before the West falls to Islam.
We are in a Chastisement of Old Testament proportions.
All we need is a prophet to tell us so. Perhaps one has already risen, spoke and been ignored.