I cannot fully share the description of the landlord, especially his headline.
In a "Luxury Boutique Apartment", no one should expect to find a bed with a completely worn-out mattress in the bedroom, which can only be used if you first put on a foam cover plus topper, which you find rolled up in the wardrobe.
The same applies to the worn-out sofa in the living room.
The dishes have to be washed by hand, as there is no dishwasher. The oven (not the hobs) is defective, a padlock prevents the use of the tumble dryer if you wanted to do some washing.
The windows do not open fully, but only tilt, so only limited ventilation is possible, which can lead to unregulable indoor temperatures on sunny days.
The flat is located in a six-storey apartment building with a socially and ethnically mixed tenant population. So it can happen repeatedly that, at dawn, the Indian neighbour is talking loudly on the phone to his relatives or whoever.
Apart from that, the flat is in a visually appealing condition. The landlord obviously made an effort to create a cosy and comfortable living atmosphere.
With the exception of the aforementioned shortcomings, the premises are in a decent and clean condition.
With a little more realism in the way it was presented, I think it would be just as possible to attract a suitable clientele to the flat. I just don't think it would be possible to do so on such terms, even in otherwise quite high-priced Edinburgh.