Did you read the link?
The study shows that its FODMAPS in processed foods, more so than gluten.
Who would of thought that eating lots of processed foods isn't great for your health!
I'm with you birds, I know of people that have had celiac/coeliac for 20 years, lean and fit, or really skinny and sick looking they are. Also know a 120kg overweight bloke that successfully found ways to maintain his weight after being diagnosed at 55.