It's hilarious that you say "If you're going to reply to this post, please read it first!" but it's clear you didn't read the article.
Knuth never says that he doesn't see ANY value in unit tests, and also doesn't go beyond his own reasons for unit tests. He also admits that parallel code can be useful for several applications.
And so he prefers "re-editable code" to code reuse. So what?
Your mom is a dinosaur.