To be clear, and more fair. It was the giant lands Twitter that made the sci-fi claim of darksun. I’m confident James Ward doesn’t run that account.Couple things worth noting:
1) Jim Ward claims that Dark Sun is a "Sci Fi" setting rather than Postapocalyptic Fantasy... which is patently ridiculous when GiantLands involves high tech and magic as their claim to the title.
2) Jim Ward having an incurable neurological disease may indicate a cognitive break or decline in which case we're giving a person with a physiological impairment a hard time for being impaired.
Though if that were the issue, the Dark Sun Sci Fi defense makes it ring pretty hollow since he has enough faculties to defend his position on a further spurious claim.