Thanks for the feedback. We care about our user's privacy and provide a way for anyone to easily opt-out of data sharing here https://help.disqus.com/customer/portal/articles/1657951 (also accessible via the Privacy link at the bottom navigation of every Disqus comment embed. We also honor the Do Not Track setting if you have it enabled in your web browser.
Hi there, I work at Disqus. Just wanted to clarify that Disqus will continue to be free w/ optional advertising for small / non-commercial sites. This makes up the vast majority of total number of sites on our network.