Mafia rituals reduce pervasive uncertainty and paranoia among members. [causal]
The ritual may also be preserved for a second, more subtle reason entirely compatible with the first. Life in the mafia is fraught with uncertainty, distrust, suspicion, paranoid anxiety, misunderstanding
DEFINE: Explains a second function of mafia ritual beyond its primary purpose—uncertainty reduction in a distrustful social environment.
Diego Gambetta, The Sicilian Mafia The Busi…, loc. 404