If the damage they are causing is more than superficial, that would be covered under “damaging the property” (in #1).
The point of #3 is that it shouldn’t be the landlord’s business how someone lives their life. Their only role is the fact that they own a house. If it’s bad for the animal’s welfare, that’s the State’s job to deal with, not someone purely with a profit motive.
If the damage they are causing is more than superficial, that would be covered under “damaging the property” (in #1).
The point of #3 is that it shouldn’t be the landlord’s business how someone lives their life. Their only role is the fact that they own a house. If it’s bad for the animal’s welfare, that’s the State’s job to deal with, not someone purely with a profit motive.