Isn't this just the way these things are done in the US? America has an adversarial system of justice. It also has a plea bargaining system. Don't those two tog

Isn't this just the way these things are done in the US? America has an adversarial system of justice. It also has a plea bargaining system. Don't those two together naturally lead to situations where each side will threaten their worst in an effort to gain the best bargain they can from the other?