Well, that’s no longer technically correct.
We have taken “pictures” of two Black Holes. Not artist’s illustrations. M87 and our Milky Way.
https://www.space.com/milky-way-m87-black-holes-compared-eht
I mean really, it's not like "science" hasn't lied many times already, or at best, were wrong with their assertions of certainty.
It still remains a theory currently. At best, it's compelling.