I agree that this "editing" in post is bad form--it's taking one's privelege -it's a privelege to host a private forum- too far.
Then to R it to "show people what Invincible was up to" is simply an error.
Moreless stated after that, that perhaps he would step back a little and let others answer questions for a while, so as to soften the style of response, and that sounds like a good thought to me. Perhaps he's been given that chance.