This probably goes without saying, but your user demographic has a lot to do with how this kind of mishap will be received. Our product sells to Fortune 1000 companies in the procurement software space. I can tell you, unequivocally, that the users of our product have a distinct lack of tolerance with regard to "lack of attention to detail".

We've had a debug message or two slip through to production, and the conversation that follows is never comfortable. The inevitable conclusion they reach is that if we miss one small thing, we're likely to miss another. Sometimes you really do have to sweat the small stuff.