Pseudonymity isn’t anonymity. The problem of course is if you first had a non-anonymous account (e.g with your real name) and then for some reason switched to a

Pseudonymity isn’t anonymity. The problem of course is if you first had a non-anonymous account (e.g with your real name) and then for some reason switched to a pseudonym you thought wasn’t linked to your real identity. The bottom line I guess is: if you did that, your choice is basically to never post at all or to create an account where you practice some kind of opsec to try to disconnect it from your previous account (e.g run it through a service that rewrites the text).