It was the 'steel nail' which turned me off clicking: the idea of steel in first century Palestine smacked of Joseph Smith to me.
There is no credible suggestion that it is actually as described.
However that doesn't change the notion that this represents an early approach to use physical evidence in support of a historical claim. Complete non-sense in this case, but interesting in the way that those studying the history of medicine may be interested in the development of early interventions - e.g. trepanning - to understand the approaches and mentalities of earlier peoples. That doesn't mean that trepanning has any therapeutic credibility.