Same is true for humans - a scientist inventing everything from their head would not achieve much, but if they can conduct experiments, and if they persevere, t

Same is true for humans - a scientist inventing everything from their head would not achieve much, but if they can conduct experiments, and if they persevere, they eventually make discoveries. A pure LLM is like the first case, a LLM with tools or part of a larger system is the second.