@Anonymous New Zealand authorities are very proactive in law enforcement with our Organized and Financial Crime unit.
You would have to be very ignorant or naive to make assumptions brothels & OFC don't operate hand in hand, Dunedin is no different to Auckland, Wellington or Christchurch with what goes on in other aspects of lite with those who use brothels or sex workers.
Methampethamine and other illegal drugs are to common in NZ and known to be used and supplied across all sectors of society.
Whilst the article may not state it, the fact the person whose home it is clearly has reason to "fear for their safety" because of the state of those who are turning up expecting to find those who rented his property as a brothel.
I wonder if other Property letting Platforms we have including Trade Me would provide similar recompense should a property owner or subsequent occupier went through a similar situation.