Contradictions consists of logical incompatibilities between two or more propositions. They occurs when the propositions, taken together, yield two conclusions which form the logical, usually opposite inversions of each other. Illustrating a general tendency in applied logic.
It's not that it attracts them, it's just the default mode for a white hip hop fan. White guys know that if they make any attempt at emulating actual rappers they'll immediately be labeled wiggers. So they choose to go the intentionally-goofy-and-nerdy route which they consider less ridiculous since it's so self-aware and already kinda making a mockery of itself. Case in point: Jamie Kennedy.