I can’t speak for other professions, but in software engineering expertise is key for effective use of LLMs. LLMs have certainly increased my productivity, but they’ve also produced some very bad responses to relatively straightforward topics that required my expertise to guild it back on track.
If you have zero education, but learn how to ask AI models the right questions , in many jobs you will be able to outperform someone with an advanced degree, but who is unwilling to use Large Language Models. Just takes a smartphone, curiosity to experiment and a mindset to learn.