Umm I don't think the cabin crew in question claimed she'd have anaphylactic shock if she came into contact with nuts. Also, it isn't a contradiction in terms to say she'd "just suffer breathing problems". Just as anyone with hayfever can have a mild reaction or extremely severe, the same goes for allergy to anything. She may well have had a mild allergy that left her uncomfortable. So you are saying it's ok for a passenger with an extremely severe allergy to nuts to travel at 37,000 feet (we've had quite a few travel with us who have severe allergy and carry an Epipen), but not OK for a crew member with a mild allergy. Gotya.