When I was looking at Disqus I had to logout/in to post from a different account. With WordPress native comments all I have to do is put in a different email/url and it's on a different profile.
I do like that you can see comments from many sites with Disqus though.
Certainly no surprise. In the 10 years I've been married we have never paid for cable. Just never been worth our money to get 100 channels we don't want to see for 2 we do. They simply no longer have a good value proposition.