I was building a dashboard. The card layout was almost right — just needed a bit more breathing room, a tighter border radius on the inner rows, and the label font to feel slightly lighter. Three small things.

I typed the description into Cursor. It came back with 180 lines rewritten. Every sx prop touched, four components restructured, a new wrapper div appeared. The layout looked the same. The diff was enormous.

I hit Ctrl+Z and went back to staring at the code.

That was the moment I stopped thinking of AI as a universal tool and started thinking of it as a specific tool — an exceptionally good one, for specific things.

What AI is actually good at