Interesting point about LLMs.txt not being read. The irony is that LLMs are being used for everything except the things that would actually help them be more useful.
What's missing is the jump from "AI as search engine" to "AI as autonomous agent." Right now most AI tools wait for prompts. The real shift happens when they run proactively - handling email triage, scheduling, follow-ups without being asked.
That's where the productivity gains are hiding.