I'd be tired too if I had squeeze through a hole that size too. (I swear that's not a penis joke)
Quite frankly, I'm shocked at their brazen theft.
Plugs are too expensive and they take too much time to install.
And if those outlets look funny to you, maybe you should check out our handy dandy guide. http://chzb.gr/tsl0hN
Landlord bodgejobs can get pretty skeezy. Case and point: balance the new propane tank precariously with a toolkit. Psssh, don't get sassy with me, mister! It's only the living spaces of several dozen people you're toying with here!