Does writing speed affect the quality of your work?

I’ve seen a few people lately push the idea that the quality of writing is all based on the speed at which you write. Specifically that the longer it takes you to finish a book, the higher quality it is.

This is a silly bit of nonsense that I think came about through the traditional publishing schedule, where it would take a long time for a book to go from the writer’s hands to the bookstore. And it’s a myth that’s spread all throughout literary circles, that if you write fast, then somehow y...