He does not.

https://dreamsongs.com/WorseIsBetter.html

> One day in Spring 1989, I was sitting out on the Lucid porch with some of the hackers, and someone asked me why I thought people believed C and Unix were better than Lisp. I jokingly answered, "because, well, worse is better." We laughed over it for a while as I tried to make up an argument for why something clearly lousy could be good.

He then wrote Lisp: Good News, Bad News, How to Win Big (https://www.dreamsongs.com/WIB.html) for his EuroPAL keynote speech

> JWZ excerpted the worse-is-better sections [from Lisp: Good News, Bad News, How to Win Big] and sent them to his friends at CMU, who sent them to their friends at Bell Labs, who sent them to their friends everywhere.

The excerpt: https://www.dreamsongs.com/RiseOfWorseIsBetter.html