It's similar with house rentals. VRBO used to encourage communication between the owner and prospective renter: water conservation, driving a manual shift Rover (aka tractor). And the big one, boating experience, as a boat comes with the house. Neither Airbnb nor VRBO allows any meaningful communication now.

You incur liability for someone using your powerboat without any ability to vet them. You see renters skip the stern anchor, let the boat float away because their kid tied it up improperly, or come in drunk after a night partying. Eventually you say no thanks.