Why isn't everything that the pilot can be seen recorded in some black box? If the pilot can see it, certainly a cam from inside the cockpit can see it. I und

Why isn't everything that the pilot can be seen recorded in some black box? If the pilot can see it, certainly a cam from inside the cockpit can see it. I understand that planes aren't cars but... We have cars doing just that: recording absolutely everything in case something unexpected happen. It's 2021: I'm sure airliners could have it at some point. It doesn't look like a feature too much out of a science-fiction movie. And this would settle quite some of the UFO sightings.