"Unless he's planning to build sharding on postgres too, I think he's missing the point."
NoSQL seems to have three general claims (I'm not saying whether these are correct or not): (1) ease of administration in some cases; (2) different data model; (3) better performance or availability in some situations.
The author is clearly addressing the second, and you are clearly talking about the third.
NoSQL seems to have three general claims (I'm not saying whether these are correct or not): (1) ease of administration in some cases; (2) different data model; (3) better performance or availability in some situations.
The author is clearly addressing the second, and you are clearly talking about the third.