That makes Google and Microsoft the winners then. It's not out yet but once Microsoft manages to fully catch to the state of the art in LLM, OpenAI wo't be needed and that will definitely be the final nail in the coffin for them

Chatbots are clear replacement for search with all implications and huge revenue for winner.

How do you figure? Chatbots don't cite their sources (unless you explicitly set up an RAG); search engines do. What value does the former have?

Chatbots seem more useful for stuff like generating filler and changing tone.

topic is revenue stream, so chatbots can become major revenue surface, and chatbot winner brand will get most revenue stream, while search engines will be just some switchable backend.

Right. A few years from now these will all have figured out insidious ad insertion techniques and the economics will be very different.