Just to clarify

While I have a backup of everything I posted to my own journal, and had taken copies of my lengthier and more worthy posts to other people’s journals, I do not have a backup of all my comments in other people’s journals and communities.

If I wrote something in your journal, it’s gone. If you don’t like that, you’ll have to take it up with the LJ Abuse team or someone higher up the LiveJournal chain of command.