The airplanes aren't just getting a bit of a background smell anymore, they're regularly flooding the flight deck with intense fumes
Surely, if this is really true - and I dont doubt that it may well be - that there would be more incident reports from aircrew coming out of DHL?
I know that if any aircraft I flew, or even my car filled up with "intense smoke" I'd be out of there so fast.... A fumes incident with a Thomsonfly 757 last year resulted in an emergency landing and full evac.