They have to it's in the McDonald's rule book
1. always be surly
2. spit in the milkshake
3. ensure the apple turnover is as hot at Mount Etna just before serving
4. smoke often and everywhere
5. reheat yesterdays burgers for resale, or reheat them for the next day.
(
maiden is filmed before a live studio audience,
Sun 9 Nov 2003, 20:23,
archived)