The reason you don't usually see both at the same time is that you don't need to be unscrupulous (which can backfire) if you are exceptionally skilled. Vice ve

The reason you don't usually see both at the same time is that you don't need to be unscrupulous (which can backfire) if you are exceptionally skilled. Vice versa if you are unscrupulous there's a good chance you can get by without becoming skilled at anything... so you don't.