I didn't suggest that it shouldn't be utilized, but simply that it can/should be to the extent that someone finds it useful. If minimum_wage finds any of the 56 tags he/she is following to begin to wane in quality he/she should cease following it, but continue to follow those that posted high quality content around that topic. As I have mentioned in the past, I see tags as a means of discovery. When you meet someone, you often meet them around a topic. Whether it be sports, arts, music etc. You may meet someone at a concert and become friends because you both like that music. Later, you'll notice how many other things you have in common and the friendship will expand. I don't think Hubski is any different, people can follow tags in order to find people with similar interests. Then they can tailor their feed accordingly and get rid of tags or people as necessary.