So when will be replaced by an AI? For starters, bloglines has keyword feeds made from feeds it watches. Hey, a ‘via’ mechanism could help prevent feedback loops introduced by automated input/output feeds. Has anyone created a feedback loop on bloglines yet?
Are you also concerned that having a publicly available blogroll increases the chances of you being manipulated by some unknown power?
Along the same lines, FOAF data can be dangerous- it provides a quick list of people for the gestapo to question/round-up.