No, no--NO! The bowls should not face the wall no matter how great of a brand and machine you get in and with a Kitchen Aid, I'm surprised that it's shown like that just randomly shot contrary to actual use of even a novice...
I always load everything inward, the surfaces holding the food of each and every item will get clean no matter how dirty and something even the first time loader would know, is to face everything wherever the washing action is, and I have a load in my Samsung right now that will stand as the optimum testimony, that no matter what you have and how much you have and how big the load, everything will be clean, nothing will be left dirty if the machine is loaded right...
-- Dave