For many the OpenID suggestion is very limited in use - even if it were fully supported now there's no other software out there I am currently interested in using it with.
Development has always been an elastic process, even if ideas and thoughts were mentioned years ago they may or may not ever see the light of day. Other things come along that take priority over previous thoughts and ideas. Relax a bit and spend more time on your own site if this topic gets you worked up.
I can't remember ever (in 9-10 years here) there being a poll about what features are wanted next, I'm guessing we won't see another for at least 10 years
