Isn't this just a big illusion, where the approach is clouding the reality they are just using natural language, interpreted by an LLM, as a programming languag

Isn't this just a big illusion, where the approach is clouding the reality they are just using natural language, interpreted by an LLM, as a programming language? If the authors had directly programmed the robots to do those strokes in C++, it would have been a non-result.