Nah, either you create a coming back statement or you stay silent, if someone feel something suspicious, you're ended up in the same fate.
Take a look on this thread.
The Majority of the posts look very different from before and after but that's just what I observed on the account. Well, It really wouldn't make a difference. I think the lesson is just to make sure you have the right email addresses so that you can recover your account and use the signed addresses etc to prove you are who you are. That's it.
Checking some of the posts, he takes forum posting to a whole new level just look at this
https://bitcointalk.org/index.php?topic=5456632.msg63389484#msg63389484, the word count is enough for a blog post.
I'm not questioning his posts but he is highly motivated to come out with a long post, could this be because of the grading system and the top posters of the week contest coming from his current campaign, if there's no change of password or email and he can prove ownership of the wallet he is using here, then he is clean.