There's another element here, that I'm perfectly willing to admit is a "valid" use for such questions:
Sometimes you wanna ask really "arcane" kinda questions because you wanna see how a candidate responds when you find something that they're not familiar with. Do they try to BS their way through it? Do they stare at the whiteboard and "freeze up"? Or do they just tell you, "I'm sorry, I'm not really familiar with that concept" ??
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There's another element here, that I'm perfectly willing to admit is a "valid" use for such questions:
Sometimes you wanna ask really "arcane" kinda questions because you wanna see how a candidate responds when you find something that they're not familiar with. Do they try to BS their way through it? Do they stare at the whiteboard and "freeze up"? Or do they just tell you, "I'm sorry, I'm not really familiar with that concept" ??