SOA: what people said about it

Grady points out SOA is just one partof establishing an enterprise architecture. The solid software engineering is still required.
He also argues that SOA is for 'large grained/low frequency interactions'. This is controversial. As Jim Alateras points out in his blog, B2C sites like ebay, amazon are SOA-ed. SOA brings architectural sound WEB API, it also enables a core infrastructure stack to support multiple channels, such like smart client.