This book is an intro to the topic of personality differences ( referenced throughout)
The H Factor of Personality
Why Some People are Manipulative, Self-Entitled, Materialistic, & Exploitive—& Why It Matters for Everyone https://www.wlupress.wlu.ca/Books/T/The-H-Factor-of-Personality
Because of differing personalities, regardless of the person's environment, a % of babies will develop to be adults that seek materialistic gain (e.g., to be rich) using exploitation (e.g., greenwash)
That's why laws are needed