Carnivals

Carnivals, (like this one) are online blog magazines.

Think of it as a Greatest Hits album for blogs. Between certain dates, editors scower the blogosphere to find the "best" entries. They are sifted and collected into online publications.

Isn't this "The Man" intruding in to a community of those who don't want him?

What is the difference between this gate-keeping function and that of a News Paper Editor?