On the contrary, it has been examined by experts in human anatomy. . . as well as experts in art. It is not a work of art. It is quite realistic and in fact is a 3D terrain map of a human being. It is perfect in every detail. There is nothing artistic about it. It is not even a photograph as some have called it. It shows no light artifacting at all. This is only the most researched object in science and artistic scholarship in the last 117 years.
Except that it makes Jesus look “totally tubular.” The scriptures say he was no looker, but an exact look like this would have gotten him a distinct reputation as an odd ball, and middling on the “stature” scale to boot.
God wanted no idolaters and therefore didn’t give us any exact picture of Jesus. An anatomically exact portrayal of something that is stylized in the beginning doesn’t say anything.