While we're piling on...

On Fri, Jul 25, 2014 at 4:38 PM, Philip Evan Schreur <[log in to unmask]> wrote:
 Structure and data needs come first. Once that's settled, we look to see how RDA can be expressed in that structure.

This is exactly it.  Bibframe should support RDA, not be constrained by it.  Additional constraints can be layered on top, for example via profiles.