It's a concept and unfortunately, a commitment. For some it works, others not...It doesn't mean the concept sucks for what it's meant...no more, no less.
Even you have to admit that rectal meds may not be for everybody. But they are usually effective enough to be worth trying.
Now take your own words, "For some it works, others not...It doesn't mean the concept sucks for what it's meant...no more, no less", and apply those same words to diet modification.
Just because diet doesn't work for you doesn't mean it cannot work for anybody else.
Male/61 DX IBD in Feb08. No meds, allergic to Mesalamine. Remission since Mar2010. Psyllium seed mixed with VSL3 is very helpful. Several Culturelle a day firms up stools. Food diary instead of SCD or Paleo.
Resistant Starch and lots of fruit & vegetables (but no cruciferous), No Gluten, no soda, no HFCS, no xylitol or sorbitol, no trans fat, no shellfish, few processed foods, no carrageenan.
Probiotics, Fish oil, multivitamin, extra D3, K2, E complex, magnesium, phos choline, boswellia, curcumin, DGL, glutamine.Nature created all of the locks, therefore Nature has all of the keys