The tradition of Sabanto-Meido arose in Nippon/Japan after the widescale adoption of robotics and automation. It is a cultural movement to embrace traditional values and to counter the subculture movement of the Ko girls.
A revolt or attack happens against a strong city/kingdom. All the losers of the battle that can be captured are brutally crucified along the roads that enter the kingdom to show their strength and as a demonstration of what happens to their enemies. ... a long road, decorated with hundreds of dying crucified soldiers... You see them bleeding, you hear them screaming and whispering for help. Do you really want to enter this reportedly peaceful kingdom?