Even if the chatbot served only as a Rubber Ducky [1], that's already valuable.
I've used Claude for debugging system behavior, and I kind of agree with the author. While Claude isn't always directly helpful (hallucinations remain, or at least outdated information), it helps me 1) spell out my understanding of the system (see [1]) and 2) help me keep momentum by supplying tasks.
A rubber ducky demands that you think about your own questions, rather than taking a mental back seat as you get pummeled with information that may or may not be relevant.