No need for video recording on general aviation, but a public transport is a completely different thing. Any time I enter a bus in my town, I see that it has a

No need for video recording on general aviation, but a public transport is a completely different thing. Any time I enter a bus in my town, I see that it has a number of cameras, which point to the road, to the passengers, and to the driver as well. Why should a plane be different?