It's definitely worth watching, IMO, especially if you view SEO as "fluff".
Rand does a great job of explaining how SEO and inbound marketing are attractive alternatives to interruption marketing. If you're annoyed by paid advertising and believe that what you build should benefit your users, then I think you'll get a lot out of it.
The "fluff" I was talking about is all the contentless puff comments that appeared, couched in un-HN-ish language: I guess they are a fan club from some SEO social network or another.
Rand does a great job of explaining how SEO and inbound marketing are attractive alternatives to interruption marketing. If you're annoyed by paid advertising and believe that what you build should benefit your users, then I think you'll get a lot out of it.