As with most bureaucratic procedures, there was probably one person, one time, who went absolutely nuts and tried to wipe all corporate data / attack every cowo

As with most bureaucratic procedures, there was probably one person, one time, who went absolutely nuts and tried to wipe all corporate data / attack every coworker they never liked / ... after giving notice. Many very serious meetings were then held to ensure this could never ever happen again, regardless of the cost-benefit tradeoff, because inconvenient procedures don't make headlines.