Sure, the technology that real people in your life, including most "normies" who only use tech to get stuff done, are using ChatGPT, but it's not "inevitable".
Everyone who runs a Google search and doesn't read past the Gemini result uses an LLM. That's easily a majority without even getting into other products.
Do you have any proof for that? ChatGPT has a DAU in the ~100m range as of last reporting. Even considering it's a global audience, that's almost a third of the US population.
