Airbnb, and others, cancellation policies will be a major reason for the spread of this virus. The sunk cost fallacy is alive and well here, people don't want to lose money just because they feel sick even though they know they shouldn't go when not feeling well. I think at this time the travel industry needs to stand up and relax it's policies even further. Airbnb will not refund you a stay unless your flight has be…
However, I don't get why cancellation policies will be a major reason of the spread. Your explanation on sunk cost fallacy and cancellation seems to be missing. Airbnb has a clause to refund under "Epidemic disease or illness"