An explanation of how the term 'trolley tart' originated, immediately followed by a statement of 'RAF Cabin Crew do indeed deserve more respect than is often forthcoming' is a strange juxtaposition, but I guess its all contextualised by a history lesson.
Tell me, who loaded the catering? was it coolies, or chai walla's? or did it depend on which pink part of the map you were sipping G&T's in?