This kind of debunking is appropriate for situations where there is at best anecdotal evidence of a purported event, and so only auperficial, hand-waving "reconstructions" of gross features are sufficient for debunking.
In the land of the blind, the one-eyed jack is king.
But the actual Shroud itself, has been available for scientific study from a variety of disciplines. All concurring lines of reproducible evidence are consistent with its being genuine.
Cheers!