Your argument is based on tenuous reasoning predicated on the assumption that you know how the Airbnb people are thinking and how they intend to use the data. T

Your argument is based on tenuous reasoning predicated on the assumption that you know how the Airbnb people are thinking and how they intend to use the data. The other argument is based on the assumption that there are probably other people who use Facebook and LinkedIn in a similar fashion (I am another data point). I do not see how your argument carries any more weight than theirs. It certainly fails the hard evidence test you put forth.