Looting in video games. It's hardly a meritocracy, that's a major part of what makes it compelling: it's unfair and you have no bloody idea what you're gonna get next.
Exhibit A: this well-made Skyrim fan-movie. It's about looting, and the inconsistency of looting, and how bloody ridiculous that can be at times. It's from Fury Fingers, the Australian-based team who made Gritty Mario World and Boxhound