there is a little issue, you don't hover an helicopter next to people and, and you don't land next to untrained people (because they could rush to the tail roto

there is a little issue, you don't hover an helicopter next to people and, and you don't land next to untrained people (because they could rush to the tail rotor). And they turn a lot around a site before landing, where was the pilot of the RC quad, and why didn't they see them?