Also, it's worrying that the author says that they elected not to do a placebo-controlled trial due to the "efficacy" of fecal transplant. However there are no

Also, it's worrying that the author says that they elected not to do a placebo-controlled trial due to the "efficacy" of fecal transplant. However there are no RCTs for fecal transplant, and Nature cautions that there is likely to be a large placebo effect.