I have exactly the same experience as Dadouv47.
Don't get me wrong, i'm absolutely not a groupie or something. If tomorrow a better treatment comes a long, then I will be the first to try it. I'm aware of a lot of weaknesses of KDM and his practice (especially on the social and information side...).
I am medically schooled myself and have looked up everything in my treatment on pubmed and found as much evidence as I need for my own treatment. Of course it's personalised treatment, so there is no double blind-placebo tested-gigantic study with loads of patients out there. I really wish there would be better studies, but we can't get to righteous. There are actually loads of treatments in the day-to-day GP practice that have no evidence at all
He tests for subgroups and different parts of the disease (gut problems, neurotoxins, virusses, bacteria) and treats accordingly. From my experience, he is extremely smart and knows a lot, a real prototype scientist guy

but also with the downsides of that (communication is not his strong side..).
I don't really know why I feelt the need to defend him, but I think we should maybe not be this hard on someone who has worked in this field for the last 20 years, in a time when nobody was doing anything. The (political) backlash in Belgium against people working in me/cfs has been horrible.