The only problem that might be with this command is the loop through all player files.
That might take a strain on the server we might not want to happen
As Telluur & Gandalf already said, this would be incredible resource hungry. Add the fact that it isn't that important (I can understand it being usefull tho, don't get me wrong ): Rejected.
If you are sure someone has a home @ your house without you approving -> Take it to a staff member.
Stoux - Hmm... That's a 10!