Speaking in a clear and concise manner does not make you sound white. This is only brought up when concerning american english. Most white americans cannot speak a language outside of american english, so they should not be the barometer for anything concerning exceptionalism, especially in regard to intellectual pursuits. We do know that they were crawling upon all fours, while painting themselves blue, when Black people had thriving arts and culture, sciences going on in and around the African continent. Also do not forget, they’d have no music to speak of, it were not for US.