What's really needed is a third party JavaScript comment system you can map to your own domain, which means the Comment api would have to be cors enabled, and s

What's really needed is a third party JavaScript comment system you can map to your own domain, which means the Comment api would have to be cors enabled, and support custom domains i.e. So you configure the service to serve comments from blog.mysite.com. uBlock surely won't block the same domain.