Ask HN: Do you think the Passenger drones have a very serious design flaw?

All the new passenger drones that are coming out have the propellers sticking out, which clearly is a design flaw, and have a serious safety hazard issues around people. Why don't they consider a passenger drone with the design similar like the Hover Camera Passport?

• Workhorse SureFly • Ehang 184 • Kittyhawk Flyer / Cora • Uber Elevate (CES Air Taxi) • Drone Hoverbikes