Programmers often discover solutions while explaining a problem to someone else, even to people with no programming knowledge. Describing the code, and comparing to what it actually does, exposes inconsistencies. Explaining a subject also forces the programmer to look at it from new perspectives and can provide a deeper understanding.
You can fix the world by putting an AI into the rubber duck without electricity and expensive parts and it still works!
AI enhanced by that smile and those eyes and quiet posture helps solve problems :)