There is in fact a pretty long history of biomimicry in aviation though. I've met many aerospace engineers (including a former NASA chief scientist) who would t

There is in fact a pretty long history of biomimicry in aviation though. I've met many aerospace engineers (including a former NASA chief scientist) who would take your question very seriously. The answer may well be "no, that isn't the only reason", but it's not trivial to arrive at that answer.