He also carries many science based products on his website from CBD oil to colloidal silver products but since hes on the fringe of the vegan whole raw food industry, maybe he just got caught up in the idea that this very popular but controversial product was worth trying and then selling and maybe he had a great placebo effect from it and was just too busy to really take the time to REALLY think about it and most likely he had a close friend really convince and pressure him to believe in it.
So either this wa an honest mis step on his part OR a well calculated 4d chess move to generate a huge debate about the legitimacy of monoatomic gold all convinietnytly on his trending steem post with links to his site.... lol