> I get that the author may just not like the format. They'd be bored by Jiro, they'd sleep during Helvetica, and they'd probably die watching Herzog movies. But they should acknowledge their biases rather than pretend they stumbled upon some shift in tv.

I think you're trying a bit too hard to dunk on the author. A lot of your conjecture here is somewhat unknowable, but I would assume the author of a book on minimalism would find something worthwhile in a documentary focusing on a typeface so closely associated with minimalist design.