Why are they shocked? Try finding black apostles, disciples, Jesus in many black churches! All white or olive skinned. Few browns, no blacks but slaves! From many black pastors, bishops, lay leaders on down to the pew, most blacks subscribe to her sub rosa view!
http://www.rawstory.com/2017/02/racist-black-history-month-essay-shocks-school-all-stories-in-the-bible-are-about-white-people/