afrikaaners are mostly dutch right, well dutch people are the tallest 1.85m on average, that is taller than the average south african height of 1.69m,
http://en.wikipedia.org/wiki/Human_height
you are caliming that everyone has equal ability to play rugby, when last did an chinese, or Japanese team win in rugby?
You might be a bit blinded by the subject but that link only takes in to account the average population as a whole (white and black mixed). Do you really think most black people are as tall and strongly built as white people who often look like they just swallowed a tree whole?