Why do you think it's unprofessional for the Washington Post to publish this article? I personally don't see anything particularly wrong with it so I'm curious as to what you find unprofessional about it.
> As I see it, the evidence for possession is like the evidence for George Washington’s crossing of the Delaware. In both cases, written historical accounts with numerous sound witnesses testify to their accuracy.
[0]: https://www.washingtonpost.com/posteverything/wp/2014/05/27/...