> Disqus uses, and also engages third party ad partners and affiliates who use cookie IDs, device IDs (including mobile), hashed email addresses, IP address, ISP and browser information, demographic or interest data, content viewed and actions taken on the Service or Partner Sites, including information about the websites you’ve viewed and advertisements you’ve interacted within order to provide you with more relevant advertising targeted to your preferences and interests derived from your interaction with the Service, Partner Sites or other third party websites.
> We may sell or share your personal data with the parties set out below for the purposes set out in the table in paragraph 5 above.
If you're going through the trouble of self-hosting something, why would you then outsource commenting to a company that sells your visitors data? Half the point of running your own platform is to get away from the nexus of dark patterns that have taken over the modern web, otherwise you might as well ditch Wordpress and run your blog on Facebook.
From their privacy policy:
> Disqus uses, and also engages third party ad partners and affiliates who use cookie IDs, device IDs (including mobile), hashed email addresses, IP address, ISP and browser information, demographic or interest data, content viewed and actions taken on the Service or Partner Sites, including information about the websites you’ve viewed and advertisements you’ve interacted within order to provide you with more relevant advertising targeted to your preferences and interests derived from your interaction with the Service, Partner Sites or other third party websites.
> We may sell or share your personal data with the parties set out below for the purposes set out in the table in paragraph 5 above.