If Dspy is so great, why isn't anyone using it?

https://skylarbpayne.com/posts/dspy-engineering-patterns/

If DSPy is So Great, Why Isn't Anyone Using It?

Any sufficiently complicated AI system contains an ad hoc, informally-specified, bug-ridden implementation of half of DSPy.

Skylar Payne
Mannnn, here I thought this was going to be an informative article! But it’s just a commercial for the author’s consulting business.
The author itself is probably ai-generated. The contact section in the blog is just placeholder values. I think the age of informative articles is gone
I work with author; author is definitely not AI generated.