Kap M sounds pretty defensive - maybe he's one of the chaps who implemented this thing in the first place (the flag thing maybe is a clue!). What's more they're the people who always moan the 'kin most. As for the ab-initio dig, time and a place!
Don't know if he works for the same airline that we do! Every guy on day 5 of the earlies is totalled, but that must be due to sleep apnaemia I guess!!!!! Don't get technical now, I just call it been knackered.