Usually, there are lock up periods for those, plus the uncertainty between when the operation starts being discussed, an agreement is made and shareholders approve. What will Tesla be worth in a year?
Actually Marriott works with a franchise model. If the franchisee goes bankrupt, that's a problem for Marriott... but it is also a problem for Airbnb (many owners of several properties are going bankrupt).
As an anecdote, I had an Airbnb stay in Rome but the landlord went bankrupt due to Covid and had to close the business.