>

They want to be in relation to their own revolution of experience as it relates to their diagnosis. 
But yeah, sometimes some variations of mental illness will inhibit the awareness and ability to be rational and self-aware about that particular condition, etc.
While the experience can be valid for those who have improved and have found mechanisms to make their condition better, and that experience can be possibly worth sharing, other times it can be like the blind leading the blind and sometimes even worse, making others with mental illness amplify the symptoms of their illness. Kinda like politics!
It makes you more knowledgeable than the layperson. But also, "the blind leading the blind" is a phrase for a reason >

People need to be their own advocate for their health including mental health.