Language, history and curiosities in games.
A die that falls off the table is no less random.
There are actually a lot of good reasons to employ randomness in game designs, including smoothing skill gaps, variability, and creating drama. But as with most tools, you get the best results if you know what you’re doing and why you’re doing it.
As a source of uncertainty in games, randomness provides one thing it is not normally credited for: a sense of drama.