That explanation is ridiculous. If that were the reason they would just have you dig 6 foot ditch. Implementing RB trees is not "boring and important work" eith

That explanation is ridiculous. If that were the reason they would just have you dig 6 foot ditch. Implementing RB trees is not "boring and important work" either, if you're implementing them in your day job (for 99.99% of programmers), you are grossly incompetent because you don't understand how to use libraries.