so I replied this post [/quote] made by @ _act earlier about the user whose name was changed. to  notocacus....( I don't want to mention his previous username for some reasons I think should be left unsaid)..

alot of users apply for change in their names for certain reasons including privacy or so personal reasons relating to the forum, so I guess.. but then it was easier for me to know which username had previously been on the account through their previously quoted post history.
example...

my question is that if for instance the user was trying to hide himself on the forum due to privacy reasons, can't his post history also be updated aswell, so he can be completely untraceable? like I mean when you check his post history, you will find all his old post updated to his new username on the forum software. this way, only those who he chooses to know of his presence would be aware of him. is this possible?