I think Kara has posted a brilliant article on techcrunch deciding not to honor embargoes unless it's an exlusive.
So, my takeaway from Arrington’s rant could be boiled down to three words: “GIVE ME EXCLUSIVES!”
So I think we can all imagine a day very soon when the Web 2.0 echo chamber dissipates–as it inevitably did in Web 1.0–and no one goes nuts if Start-up X adds a new embeddable widget, Start-up Y changes its homepage design or Start-up Z contemplates a new social-networking site for dogs to gain a new revenue stream.