Source?
He's one of the three named authors on the article. I'd be interested to know how the onion text was made.
Looks like the font predates this article:
https://handmadefont.com/shop/oniotype-font/
https://kottke.org/25/08/the-red-onion-font
The M in that font is not really suitable for professional use
I thought you must be exaggerating, but then I looked... And yeah, that M needs some work to make it not look like a woman bending over.