> something that was the fault of lower-level employees (as here) Ah, yes, some ‘lower-level employees’ just got together to falsify metals tests because… they

> something that was the fault of lower-level employees (as here) Ah, yes, some ‘lower-level employees’ just got together to falsify metals tests because… they have a fetish for falsifying metals tests? They get to brag to their pals at the pub about falsifying metals tests? They have a betting pool to see who can falsify the most metals tests? It must be something like that.