Missing from this equation is the risk to yourself. If speaking up has a low chance of stopping the aggressor but a high chance of injury or death to yourself then it’s not such an obvious choice.
The Nazis succeeded in building a regime of terror. Nazi thugs openly murdered opposition politicians and even oppositional voices within their own party (see Night of the Long Knives). Speaking up against them had an extremely high cost which meant that few were around to do so.
Missing from this equation is the risk to yourself. If speaking up has a low chance of stopping the aggressor but a high chance of injury or death to yourself then it’s not such an obvious choice.
The Nazis succeeded in building a regime of terror. Nazi thugs openly murdered opposition politicians and even oppositional voices within their own party (see Night of the Long Knives). Speaking up against them had an extremely high cost which meant that few were around to do so.