As RAF notes in the other thread, that's highly unlikely. Jarrah has a hard time remaining civil in debate, and this undoes him more often than his patent incompetence in science and engineering.
He contacted me a few years ago via email, desiring to debate his latest drivel via email. I told him for reasons of convenience and honesty that I don't debate via email -- too easy for one party to misrepresent the discussion later in public, and also because I dislike having to answer the same questions over and over privately. When I answer a question in a public forum, it remains available for later readers who need it. I don't have to repeat it. I told him further that, given his history of incivility, I would debate him only under the auspices of a third-party moderator.
So he popped up unannounced at IMDb some weeks later and asked if that constituted a suitable forum. Since IMDb enforces basic civil conduct, I agreed. You can read the debate for yourself, so I don't need to characterize it here. But as he was being backed into a corner regarding his awkwardly inexpert interpretation of space radiation data, he offered one morning a typical effluence of profanity and insults, which was promptly reported by another reader and removed by the moderator. Although Jarrah has subsequently insinuated his post was "censored," and contained devastating arguments that I somehow caused to be removed, he knows exactly why it was removed: he re-posted the same material later, with the insults and foul language removed.
This is what leads me to believe he will never again try to debate in a public forum that he cannot control, and which will require him to refrain from pointless trash-talking.