World of Dimness
Because general lore is more accessible, the splats are more paranoid about keeping the higher levels to themselves. Even many members of a splat might not be privileged to their own people's secrets—until they have earned their place at court and proven themselves a safe, trustworthy asset capable of keeping their mouth shut.
Basic knowledge includes things like birthright (e.g. Vampire Clans) and political (e.g. Changeling Courts) categories. Anyone working in government would know that Ventrue are snooty and Rahu are scary. Laypeople have access to this information too—after all, it's on wikipedia!—but they are likely to get things wrong and mixed up with legends and racist gossip.