I understand that as a request to write some simple how-to-use document for libpwquality and not a request to drop it altogether and use instead ... what?
Note also that libpwquality is highly configurable and for things that can not be configured currently a configuration can be easily added.
We discussed this a while back in the Workstation WG [1]. We'd be happy with libpwquality if we could configure it to allow weaker passwords than pwquality.conf currently allows for. This feedback was supposed to make it to you, but I'm not sure if that happened; we don't track action items as well as we should.
Michael
[1] http://meetbot.fedoraproject.org/fedora-meeting/2015-04 -01/workstation.2015-04-01-15.00.log.html