@Bri One place I lived, there was a street, an avenue, and a court by the same name. We constantly got each others' mail. It was enough distance I didn't know where the street and avenue were. Stupidly, there was another pair that were one letter off from those 3.
@Bri But also I see their point in a way. Like it's the person's responsibility to deliver it to the right box, but also taking the time to take it BACK to the post office is a bit overkill.