This approach to fighting corruption goes against the lessons in Peter Ekeh’s delineation between “primordial” and “civic” publics in Nigeria. According to Ekeh one’s uncle may be corrupt in the civic public, but as long as he provides benefits and adequately “shares” in the primordial public he can remain in good standing within his community.
That said, the strategy might work if every Nigerian credibly promises to expose their uncle who’s corrupt but pretends to be an international businessman. The Nigerian government could nudge Nigerians in the right direction by actually prosecuting and jailing the country’s corrupt uncles and aunts.