

What you might think is “common sense” may not be for others. There is value in this being documented, otherwise the person without “common sense” may be influenced by someone with an agenda who does document their thoughts.
Same as when people make fun of “obvious” research, there is value in having it peer reviewed as a reference for future researchers.

“Its the customer’s that are wrong” is essentially what he is saying. Anyone with any marketing ability should know how insane that sounds. Build something that people want to use to drive growth. This is pretty much an admission that LLMs are a solution in search of a problem.