And the Holy Spirit confirms. Without the power of the Holy Spirit coming upon the faith and giving it energy and fulfilling the promises, it might as well be some children’s make believe story about the tooth fairy. The Shroud is a nice decorative detail, but it isn’t even needed for the work of redemption to happen.
I submit that demeaning that which God may have chosen to highlight is supercilious and the antithesis of humility. Indeed, any doctrinal confidence in the banality of a revelation should call into question the validity of said doctrine.