Presumably Taleb wasn't showing up at the conference to promote and profit from whatever Craig Wright is doing these days, rather he was there to throw cold water on the entire crypto industry, so I don't think the indictment you mention really applies.
I want to leave you with this quote though
> “First ethical rule: If you see fraud and do not say fraud, you are a fraud.”
> ― Nassim Nicholas Taleb, Antifragile: Things That Gain From Disorder