Cloning folders and their contents

Pardon me if I am missing something but why when you clone a folder does none of its contents get cloned along with it (unlike assets which do)?

 

Currently a colleague has resorted to exporting and importing :-)

 

Thanks.

 

Jeff.

I have now seen the other forum reply (which didn't come up when I searched the forum but did when I asked Google) and see that export import is how it is done.