I'm just wondering where do you draw the line on what constitutes a service and what constitutes a person just doing his job. Would you tip the F/A? How about the subway driver? Would you tip the TSA for giving you a pat-down or the police for responding to a call? How about the cashier at Walmart?

There is just this aura of inconsistency amongst this entire tipping business and it would all end if employers paid their employees adequate wages like employers do.