This seems to fly in the face of AirBnb's claim: "87% of Airbnb hosts in New York share only the home in which they live."
The claim many are making is that people buy (or even rent) a second property only so they can list it on the site. Which takes away available properties for long term renters or driving prices up. AirBnb's claim of 87% just means that only 13% the NYC hosts are listing secondary properties (ones purchased solely to list on the site). The 87% could be listing their entire home (in which they live) during times they will be away. AirBnb's claim is not really at odds with the numbers stated in the parent comment.
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The claim many are making is that people buy (or even rent) a second property only so they can list it on the site. Which takes away available properties for long term renters or driving prices up. AirBnb's claim of 87% just means that only 13% the NYC hosts are listing secondary properties (ones purchased solely to list on the site). The 87% could be listing their entire home (in which they live) during times they will be away. AirBnb's claim is not really at odds with the numbers stated in the parent comment.