A guy is standing on the corner of the street smoking one cigarette after another.
a lady walking by notices him and says
"hey, don't you know that those things can kill you?
i mean, didn't you see the giant warning on the box?!"
"that's ok" says the guy, puffing casually "i'm a computer programmer"
"so? what's that got to do with anything?"
"we don't care about warnings. we only care about errors."