Having researched KYC for Steem onboarding (@steempassport), I know that the only other option for KYC than disclosure of 'ID' documents is biometrics. Since biometrics are fundamentally flawed (you can't reset biometrics like a password, for example), it is extremely likely that EOS/Voice KYC is going to be more like the standard form used by exchanges. Given that EOS is already centralised and designed to be run from institutions such as governments and universities, it does literally appear to be the 'anti Steem' in the sense of deleting most of Steem's strong points (while maybe fixing the bot weakpoint). I personally feel that the future of this kind of platform is in distributed systems that run entirely on people's own devices (so everyone is a witness) and where anonymity is maintained. I think that fixing the bot problem without KYC is simpler than fixing the KYC problem of anonymity and security. I'm interested to see where Voice goes - with such a big budget it is hard to imagine it totally failing.. Who knows, maybe it will just be direct competition for Steem and Steem will win.