It certainly is HALF of the job. But they can be good at this, and still suck at the other half, which is actually getting things done. There's also similar ca

It certainly is HALF of the job. But they can be good at this, and still suck at the other half, which is actually getting things done. There's also similar case with guys whose positions are described as "evangelists" - some of those guys have been doing conference talks for so long that they cannot go past "hello world" stage for any technology that they claim to be experts in.