What Was the Reasoning Behind This?

Why would the HOA place a cardboard sign with the house numbers on it by the front door? I can see a homeowner doing this to mess with the HOA or use it as a temporary placeholder while picking out other numbers, but this was seriously their solution.

They didn’t even use nice handwriting. They could have at least typed it out on paper and laminated it! That would make more sense than this. One good rain and this thing is done for. Maybe they have a bunch of cardboard, and they’re trying to get rid of it.