It can also take part of a problem, choose a lead at random, think through the results, and step back if that doesn’t work. A forward pass in an LLM doesn’t do that, yet.
Basically it seems to me that LLMs may have part of what makes us good at inventing ideas, but they’re missing part of that process.
Think about how often narrowly specialized academics reinvent a bad version of something that already has an elaborately understood theory in another field. (a meme example is when a medical researcher working on insulin metabolism reinvented the trapezoid rule for integration - but of course many more mundane cases happen every day). It would be a great opportunity to avoid this by checking with an LLM. Arguably if that researcher fed his idea to an LLM as it exists today, the LLM would have recognized that this is just the trapezoid rule. In fact I also use it for such "sounding board" where it gives me good googleable terms like, "what you're looking for is called an XYZ".