I'm sure he/she is a nice person. Maybe waking up and on the way out, but still resistant. Who knows?
Alternatively, the account could be accessible by multiple people. Hence the kitten avatar that got changed to Kylo Ren. Hence the story about studying for a few weeks and not knowing things like the two-witness rule, to having been in the org for years with a much more assertive tone.
Either way, A Believer works for posterity. A Believer writes an OP, we all respond to it, and it's online forever. All the lurkers can read it. Presumably everyone with access to the A Believer account can read it, too.
Honestly, @A Believer, we want the best for you. We're here. You keep on asking questions. You do you, it's your journey.