There's a character trait that's valued in my culture, something like "grit" or work-ethic, that's fundamentally based on training young people with techniques of shock and fear to override their limbic system's behavioral brakes for self-preservation.
Let me just take a big drink of coffee and check to see if my society's institutions of success through maximum grittiness have ever promoted behaviors that are brutally abusive or which leverage the threat of extreme abuse...