I would image the opposite tbh, that $9b of delayed goods per day is not lost, it's just delayed. Most of that goods, unless they are perishable goods, will sell like normal, just a bit later.
There is obviously a loss here on increased costs and loss of sell opportunities due to the delay, but that figures are mega inflated IMO.
I'm pretty sure there is a lot of options other than Hotels that would cover your needs, that existed long before Airbnb.
Just to name a few you can stay in aparthotels , a common thing in almost every country, or you can just rent a regular apartment directly with the owner, instead of doing it through Airbnb.
IMO Airbnb does more bad than good and transform centric areas of big cities in amusement park for the tourist.
There is obviously a loss here on increased costs and loss of sell opportunities due to the delay, but that figures are mega inflated IMO.