You said non-humanoid is a broad description like it’s a negative.

No, I said it like it’s a meaningless phrase.

Fixating on making the robot humanoid unnecessarily narrows it down.

Its not a fixation. Its simple logic that I’ve already explained. Everything we own is designed to be used by humans, so creating a humanoid robot makes them extremely versatile.

Form and function are by definition not the same

That’s not correct at all. Function is very largely tied to form, especially in the case of robotics.