It works fine for people with some level of common sense, decency and desire to not be seen as stupid/extremists/whatever other negative adjective. Unfortunately, these are not universal human traits and desires.
A person of character is normally inflexible enough to inevitably make enemies.
No, it just favors the majority. People say racist stuff under their real names online all the time, but it's not safe to use your real name as a trans person because of groups like Kiwi Farms.
Have you heard of Kiwi Farms? They are bullies who would immediately benefit from real-name policies.
nowadays wanting public healthcare and advocating for the rule of law can get you branded a terrorist in certain third world countries.
No one in my real life would consider me anything other than kind, giving, and rational. I share things with them I wouldn’t say online. Even Kyburz admits to self censoring. That doesn’t mean I’m an extremist or even wrong. To some I’m a nazi, which is absurd. To others I’m a filthy pinko commie, which is equally absurd.