Some "gluten-sensitive" people (e.g. me) will request a GF meal because it's a relatively standard checkbox choice that can be accommodated without extra overhe

Some "gluten-sensitive" people (e.g. me) will request a GF meal because it's a relatively standard checkbox choice that can be accommodated without extra overhead, unlike a FODMAP diet; it's not that we imagine we're kinda sorta celiac. And wheat does stand out among foods found to disagree with me. (By antibody test if you're going to bring up the psychosomatic. Yes, mind-body issues happen but they seem to be overused to dismiss people's experience.)