The inevitable nicks & scratches can happen to your car.
But sometimess, a person can be walking by... with a key in hand.... scratching from front to back...
I couldn't justify spending $$$ to respray, but on the other hand, it was so difficult to look at.
If this happened to your baby, here's a quick way to "remove" it.
This is not an instructables on how to achieve a concours finish.
Various grits of sand paper (**600 and higher Automotive only)
Clean bucket of water
Step 1: Mask
Mask about 1" away from the scratch.
This will be the perimeter you very lightly wet sand within.