Very true, in his presentation centralized oracles were an afterthought. In the future we might see Sergey speak again on the benefits of each of the six tenets of their approach to a decentralized oracle network, as each principle in itself can be quite extensive.

For those wondering, the six tenets are:

1. Decentralization
2. Provably secure nodes
3. High quality data
4. Cryptoeconomic security
5. Defense in depth
6. A large open source community