Autoblog and SEO: What's your take?

Lots of info flying about the net about autoblogging and its value for SEO.

I know you guys at wpmudev have things cut out with SEO and rank for a countless amount of wordpress related terms.

I'm certain that you wouldn't have developed a plugin that might be harmful for SEO, although I know you guys arent using it on your main site/s.

What's your take on how Autoblog might affect SEO in a good / bad way?