I have encountered this even on forums that insist on having all posts be "anonymous" (usernames are anonymized). It was a rather sad experience to not be able

I have encountered this even on forums that insist on having all posts be "anonymous" (usernames are anonymized). It was a rather sad experience to not be able to get help with a medical condition I had at the time simply because I wanted to be truly anonymous while posting about this rather stigmatized condition.