Anonymity removes a major barrier to entry for most people. How do we know this? Because the proof is in the pudding… over 95% of our forum users choose a username that protects their anonymity.
Anonymity breaks down power relationships between interlocutors. We have observed conversations between 50 year olds and 13 year olds that would never take place in a face to face environment.
Anonymity allows an individual to express an opinion without the fear of intimidation. Cyber bullying is a serious issue but is a personal matter. Anonymity greatly reduces the ability of anyone to bully or humiliate anyone else within a forum.
Anonymity allows an individual to express an opinion that may be contrary to that of their employer.
Anonymity allows an individual to express an opinion that their position may not otherwise permit.
Read more
https://www.bangthetable.com/blog/the-case-for-anonymity-in-online-forums/