AI Wealth Truth (99): Why the Richest People Often Give Away Most of Their Wealth

I. Bill Gates pledged to give away most of his wealth. Warren Buffett too. Zuckerberg, MacKenzie Scott, and many other billionaires. Why make so much money and then give it away?

II. Common explanations are: they are noble, they want a good reputation, they feel social responsibility. These may be true. But there is a deeper economic explanation.

III. Diminishing marginal utility (Diminishing Marginal Utility). One of the most basic principles in economics. As you have more of something, each additional unit gives less satisfaction. The first billion gives far more joy than the hundredth.

IV. Look at the relationship between income and satisfaction:

V. From zero to enough to live: huge utility. It solves survival. Creates security. Creates dignity. Every dollar changes life.

VI. From living to comfort: large utility. Better housing, education, healthcare, travel. Money improves quality of life.

VII. From comfort to wealthy: smaller utility. Bigger houses, better cars, more options. But marginal improvements shrink. Incremental pleasure diminishes.

VIII. From wealthy to super wealthy: utility approaches zero. You can buy almost anything you want. What extra satisfaction can more money bring? Almost none.

IX. What happens when marginal utility approaches zero?

X. Money becomes just a number. A few billions vs tens of billions makes no difference to daily life. You do not need it to satisfy any need. Money becomes abstract counting.

XI. But humans need meaning. Even when material needs are fully met, people need to feel life is meaningful. Meaning is a deep human need.

XII. Giving is using money to buy meaning. Donate to charity, solve social problems, change others' lives. This gives super-rich people a sense of meaning. Money finally becomes useful again.

XIII. This does not mean they are not selfish.

XIV. Giving is also consumption. They consume meaning, legacy, social recognition. This is not fundamentally different from buying luxury goods. Only the object differs.

XV. Giving can be rational. If more money has no use to you, giving it to others creates more utility. From a social perspective, it maximizes total utility.

XVI. Estate-planning considerations. Leaving too much to children can ruin them. Giving it away can be better for the family. Giving is also part of wealth management.

XVII. In the AI era, this logic may be more common.

XVIII. AI may create more super-rich people. Wealth concentrates in fewer hands. More people reach the point where marginal utility goes to zero. Giving may become more common.

XIX. AI may solve some basic needs. As material scarcity decreases, the search for meaning becomes more urgent. Not only the super-rich. Ordinary people may face it too. A meaning crisis may be broader.

XX. What does this imply for ordinary people?

XXI. 1. Understand the utility curve of money. Money is not linear. The first money is most useful. Marginal utility declines. You do not need infinite chasing.

XXII. 2. Think about meaning earlier. Do not wait until money is useless to ask what is this for. Start now. Meaning should grow with wealth.

XXIII. 3. Treat wealth as a tool, not a goal. What is the purpose of making money? If it is for some meaning, maybe pursuing that meaning directly is more efficient. Money is a means.

XXIV. 4. Giving can start now. You do not need to become a billionaire to give. Give time, attention, small donations. Meaning from giving applies at any wealth level.

XXV. The richest people give away wealth not because they are extraordinarily kind. It is because they discovered the limits of money. Money cannot buy more happiness, but it can buy meaning. This is insight bought with a lifetime of wealth. You do not need to be that rich to understand it. Start thinking now: what does money mean to you? What can it give you? What can't it? The answers shape how you pursue wealth, and when you decide it is enough.