The most obvious reason for corporations' tendency to be criminally negligent about their employees' health and safety is concern with profit maximization.

Profit Maximization

A company's goal to achieve the highest possible financial gain from its operations, within legal and ethical boundaries.

Criminally Negligent

Behaving in a reckless or careless manner that results in harm to others, without the intent to cause harm.

Health and Safety

Policies, procedures, and practices designed to prevent injury, illness, and accidents in the workplace or public environments.