In late 2022, a rumor started circulating around the internet: Airbnb (ABNB -3.29%) was running into trouble. Complaints about cleaning fees, chore lists, and other onerous demands on guests were going viral, while others emphasized the relative comforts of staying in a hotel versus an Airbnb. Meanwhile, hosts were complaining that bookings were suddenly falling off, and a Time headline declared, "Too Many Rich People Bought Airbnbs. Now They're Sitting Empty." It was enough that some dubbed the phenomenon ...