The condo maintenance guys around here shovel the sidewalks when it snows. The asphalt path that connects our unit to where we park is not a sidewalk, and ergo they do not shovel it. Not in the three winters that we've been here.
Well, after the December 19 storm, the Dear Spouse and I (and one or more unknown neighbors) shoveled the path, all... 200 feet? of it. That was a lot of shoveling, but it was worth it to not be slipping and sliding down an icy trail to get to the car for two weeks.
The maintenance guys must have noticed that it was shoveled. Since they are The Guys Who Shovel, they must have assumed that others of their team had done it. Because for the previous little snow we had, and for this big one, they've cleared the path for us.
"We do it this way because we have always done it this way."