You're beating a dead horse. Gluten does hang around in the oil. Everyone knows this. It's just common sense.
Not my question. I'm not asking if the gluten in the McDonald's oil is hanging around. I'm asking if the gluten in the McDonald's oil is transferring to the fries? You're the clinical chemist. Just state for the record that it is ... if it is.
Or, if you don't know, then state that you don't know.