Is This the Death of the Easter Egg?

An anonymous reader writes: The BBC reports that more and more companies are cracking down on the practice of hiding harmless snippets of code in their products. Known as "Easter eggs," they can be anything from the names of the developers, to pictures, to games like pinball, to a flight simulator. Is this simply professionalism, or is it stifling programmers' quirky, playful side? (Have you created any Easter eggs yourself? If so, what did they do?)