To various degrees this is the current state of microblogging services (or whatever you call them). I can't read my friend's facebook updates in google reader. I can't read the boston big picture in twitter. Even if my friends wire up their accounts so that their tweets end up in facebook, my facebook replies don't appear in their twitter stream. It's a big bucket of suckage.
As a user, I don't care about how the electricity gets to my house, but I really really care that all my appliances can use that electricity, not just the ones that PG&E made. So I care that someone else cares about the how and standardizes this. As a publisher, I want to be able to pick my publishing platforms - maybe more than just one (flickr+twitter+blogger) - based on how well their features meet my style. I don't want to have to choose my platform based on where my readers might be. As a reader, I want to pick my reader application(s), like Google Reader, Bloglines, or Facebook, but only have to pick one or two and to pick them based on features and usefulness to me, not based on where the people I'm interested in reading publish their content.
Is ostatus important to this? Maybe not. Are open communication standards important? You betcha.