Check out this article. Same issues, same optics and same concerns.

In hindsight, what would have been different for the industry had we opened AIM to interoperate with other IM services? Would AOL have been better served?  How about consumers? Probably so on both counts.

I believe that open is better than closed; supersetting is better than individual efforts; and nothing bad can happen if you do the right thing for a customer. I hope Facebook lives and learns and is listening for those who don’t learn from history will be doomed to repeat it.