You're absolutely right! Being difficult does not in any way make something a virtue. However, in cultural terms we generally don't aspire to traits that are tr

You're absolutely right! Being difficult does not in any way make something a virtue. However, in cultural terms we generally don't aspire to traits that are trivially achievable (example: having skin). I would say difficulty is a neccessary, but as you so right point out, woefully insufficient condition.