Actually anything that goes on on the property IS/Can be the property owners business as they are the ones that are ultimately liable.
If you want to make it no ones business then its best to buy your own property/house.
Of Course!
I'm just saying that if the landlord is acceptable to "pets", then my conscience would be clear of feeling guilty or feeling like a being a weasel.
The one thing I found that you can count on about Balls is that they are consistent about their inconsistentcy.