The main similarity between the Specific Carbohydrate Diet and a FODMAP-elimination diet is the idea that poorly absorbed carbohydrates are fermented by colonic microbes, and that symptoms result.
I certainly don't agree that everyone with IBS must avoid all alcohol. There may be some adult beverages you can enjoy in moderation. Let's really zero in on FODMAPs.
I don’t care what the USDA says…chocolate is an important food group! However, it is my duty to tell you that cocoa powder does contain FODMAPs, as tested at the Monash University lab