Originally Posted by
Teste
You're seeing it upside down.
The issue isn't that the Falcon is the newest Captain America. A lot of people have been Captain Americas over time (that guy who became USA Agent, Bucky, Steve Rogers and so on). So one more person assuming the identity isn't the issue.
The thing is, Falcon isn't just Captain America - he was, and arguably is, the Falcon. It would be a shame if a well established hero were to lose his identity completely just to assume another one, and that's exactly what's happening here. To make it worse, the Falcon is still using parts of his old identity (the wings), but his new identity doesn't even ackowledges that.
The USA Agente guy and Bucky didn't have solid hero identities before becoming Captain America. In the case of Kid Flash, for example, becoming Flash made sense - it's a continuation of the same identity, not something new. The issue with Captain Falcon is the same as if Superman became a Green Lantern, still had a uniform that looked like his current one, but everyone called him only "Green Lantern".
The identity of the Falcon shouldn't be just erased like that. Acknowledging it with the name - "Captain Falcon" - would show how the hero we have now is a combination of the new and the old, not only someone losing his identity to embrace someone else's.