Doesn't backdoor imply malicious intent? (Of course you could argue that a good backdoor looks like a innocuous bug or even a feature...)
Also, if I have notification of key changes enabled and verify key fingerprints, at most one exchange could be snooped without me noticing. (If notification of key changes is not enabled and key fingerprints not verified, all bets are off anyways.)
Also, if I have notification of key changes enabled and verify key fingerprints, at most one exchange could be snooped without me noticing. (If notification of key changes is not enabled and key fingerprints not verified, all bets are off anyways.)