Good point.
I was only thinking that once he runs off track and is asked to stop participating that he would, therefore not needing to be banned from all/future science topics, you never know....the next science topic might be where he has a meaningful debate? It could happen
"No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten."
Hunter S. Thompson
Ad astra per aspera
Nihil curo de ista tua stulta superstitione.