You could be right. But you’d have to call that airport to confirm if it was true or not, instead of dismissing cos it might be inconvenient.
The planes circling would be because they were directed by air traffic controllers. I don’t think any of them would want to be responsible for any accident. Even if it’s a minor collision which resulted in scratches, it puts the plane out of action until it can be inspected by engineers, and officials to find out who owned the drone. And the airline that owns the plane is going a file a claim with the airport for allowing the plane to land. And that air traffic controller would get fired. If it does cause a plane to crash, the air traffic controller will live the rest of his/her life knowing they were partly responsible for it. “Why did he/she allow the plane to land, instead of taking evasive course, having been informed a drone was spotted nearby”. It can’t just be dismissed as just the drone pilot’s fault.