I can describe a novel physics model for a video game. I can do a refresher on concepts like friction, air resistance, gravity, etc. that I don't remember well from school. Then I can describe the constraints and generate code to satisfy it.
If I were to go and learn the physics really in depth and then code it myself, it would take 10x longer.
The comparison is to use a physics library. Only in the LLM case are you trying to write the physics engine yourself. And if its not the kind of physics that's in a library, yes, you will need to learn it to ship a game.
I can describe a novel physics model for a video game. I can do a refresher on concepts like friction, air resistance, gravity, etc. that I don't remember well from school. Then I can describe the constraints and generate code to satisfy it.
If I were to go and learn the physics really in depth and then code it myself, it would take 10x longer.