Privacy is hard to quantify from a good/bad perspective because it relates to personal preference. One person might demand it, while another person might not care at all. Because of this, I don't see the issue as cut-and-dry as being good or bad. As a Community that builds Products, I think it is much more constructive to understand that the issue is broad in nature, and your customers likely have opposing views (or may not care at all). I think the real question should be; When building a Product, what are the ethical implications of User Privacy? If one believes that they should be in-tune with their customers (which is what I believe) then the best approach is probably to respect both sides of the issue. So in other words, instead of deciding what is "right", build the Product to support both extremes. When you give the User a choice, it is much more well received than making the choice for them. Most issues I've read about, heard about, or experienced myself resulted from a lack of understanding or respect for the User's choice.