Nature came up with something much better in both those cases.
Portable, energy efficient, light, doesn't need refined oil, tightly steers...
Boats and aeroplanes are terrible in comparison. They only work due to a huge network of global effort.
>They only work due to a huge network of global effort.
And horses don’t need roads like cars do and cars only work thanks to a huge network of global effort. What point are you trying to make? That we abandon planes until we can develop flight as efficient as nature? Abandoning LIDAR until we can develop visual light perception and processing equal to the human eye and brain?
I don't see many birds around able to carry an extra 280,000lbs for 2,300 miles without having a meal.