Facebook: Who can see "Shared With" Privacy Fail

There is a major bug in the Facebook privacy settings regarding post, lists and audiences.  As you can see from Facebook help, selecting a custom audience should not make the people you specified on your custom settings visible to the custom audience.  However, as you can see from the image below, that's not the case.  Facebook should let you decide whether you want to display "Shared With" information anyway, however that's not the case and the only way to prevent that from happening is not working.  Please share.  Thanks.