[unyttigfjelltol]

So does that mean you are persuaded or that the author doesn't have the right pedigree for you to listen? Because when you set aside the author's idiosyncrasies, there is indeed something remarkable.

Drinking sulfate won't repair broken sulfur metabolism, but it's completely plausible that a subset of people maintained adequate day-to-day function with the benefit of sulfate-laden water, and now fall below the threshold with sulfate mostly removed.