[Zikes]

He's a content curator for a particular category of content. Would you prefer to follow all of the relevant sources and sift through the cruft yourself?

[DanBC]

But people should be submitting the original source, not Schneier's link, unless he adds something useful.

[Zikes]

I can agree with that, however his interest in an issue is a primary indicator of its importance for me.

[marcosdumay]

Reading a couple dozen different sources and summarizing anything interesting in them is useful.