maybe I should just leave it alone

That would be the smartest decision in my opinion. I've read your post about the hustle for visa extension, so I guess it would be smart not to give them a reason to reject your application.
About the abandoned construction site and building, unfortunately that happens in other part of the world too. I've seen such cases in Romania as well. people start building, some are funding the construction applying for a loan and then when the money runs out, the bank seizes the property but till it gets sold or utilized somehow, it stays as it was. The other reason could be a lawsuit. During a lawsuit you can't do anything, till things are sorted.