Robert')DROP TABLE Students;--
> On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
And the last remark in the dialog makes it clear the intended audience is sloppy developers, not non-techies.
Although brighter non-techies would probably get it after a little thought.