From one white man to another, we are not qualified to judge... Why would you assume that an unknowable piece of information somehow supports one position over

From one white man to another, we are not qualified to judge... Why would you assume that an unknowable piece of information somehow supports one position over another? And why doesn't this go the other way also - why aren't non-Asian minorities unqualified to judge how much hard work and talent is required for an Asian to succeed?