The human is there as the control valve, the one who keeps the overall context, and the one who injects actual creativity.

Every time the LLM throws jargon around, you call it. "What do you mean by gated wedge?" You call its bullshit, check what it's saying against your understanding of the overall system, and keep it on the straight and narrow.

It's a lot like supervising a junior dev who happens to be very quick at absorbing lots of info, but not so great at the big picture.