And even that is fraught with problems, because in my neck of the woods (Germany) we generally do not buy houses/appartments furnished (and renting appartments furnished is also an exception and not the norm. Even kitchens are empty rooms without cabinets and appliances.).
Edit: Even though the AirB'n'B methodology is not perfect, I agree with some of the conclusions. Just like radio/tv has smoothed out local accents and dialects within a country, the internet produces global trends. This is not all bad.
That is bassically the same here (usa), although we typically include major appliances and cabinets.
However, when houses are put up for sale, they are typically "staged", where the seller will rent furnishings to make it look more homely.
Apartments are more hit and miss. The bigger complexes will often have a show apartment they keep furnished for toors, and may often used a furnished one for their pictures.
Obviously the way you furnish a house for show is not the same way you would to live in it. But it seems like a reasonable approximation of the 'average' sensabilities of the market.
Nobody can afford to furnish an apartment the way big complexes stage their model. They rent good-looking but useless furniture from some place like Rent-a-Center. They can afford the rent on it (they pay for it pre-tax, while actual people have to pay for it post-tax) but its such shoddy quality that it will fall apart as soon as you use it. I've never seen anyone decorate their apartment like this. Even AirBnB hosts quickly find out that they can plaster cheap glittery decorative tchotchkes everywhere but the bed and couch need to be something that won't fall apart if you look at it wrong.
And even that is fraught with problems, because in my neck of the woods (Germany) we generally do not buy houses/appartments furnished (and renting appartments furnished is also an exception and not the norm. Even kitchens are empty rooms without cabinets and appliances.).
Edit: Even though the AirB'n'B methodology is not perfect, I agree with some of the conclusions. Just like radio/tv has smoothed out local accents and dialects within a country, the internet produces global trends. This is not all bad.