For years I lurked and occasionally commented on a bipolar support forum on another site. But in the last 6 months or so it has been taken over by the spouses of people with bipolar all asking for advice in "dealing" with their mentally ill partners. You get to hear all about how bad they think we are as people and mean and unreliable and it gets you down. Most of the posts are like this now. I'm not mean and lots of us aren't but the partners who are getting along aren't writing in. So now it's a whole lot of usually well meaning people looking to tell their stories and get help with their broken loved ones and it's no longer very interesting to visit the site. The folks with bipolar seem to have mostly left after leaving a comment on how they can't keep coming to the site for help and just have non-sick people ragging on us.
So I know what you mean.