They should go to Rwanda and see if they can replicate their findings.
from the linked article:
Ethicist Jonathan Glover applied the same questions cross-culturally, looking at the genocides in Bosnia and Rwanda in addition to Germany, and came to the same conclusions. Dictating a set of authority-based rules turns out to be the worst thing we can do for ethical development — yet we are continuously urged to do exactly this because it feels ever-so-decisive and bold.
A while back I did a couple of posts on the care and feeding of young rationalists. Though it is not new, I recently found a truly excellent post on this topic, in Dale Mcgowan's blog, The Meming of Life. The post details a survey carried out on ordinary citizens of Hitler's Germany, searching for correlations between style of upbringing, and adult moral decisions.