I (see upthread), a scientist myself, think it's absolute hogwash, and i'm certainly not abnormal among my peers in that.
There's something about being the person who not only watches how the sausage is made but has spent (ack) 14 years at this point making sausages of several kinds that kind of strips away overly idealistic expectations about How Pure And Right This Thing Must Be. If you're lucky, and i think i am, you learn enough humility to acknowledge the value of other people's sausage-makings. And, often, have the right state of mind to see and acknowledge the intellectual power and meaningful contributions of people well outside my field.
It is strange being in a group and seeing my group believe one thing but hearing people claim to be part of my group and telling me that I'm not doing it right. Even when I have the credentials and they don't...