The higher education system in these countries (US, Korea etc) has become like a theatre in which some people decided to stand to get a better view, promoting the others behind them to stand. Once enough people stand, everyone has to stand, which means no one is getting a better view, while everyone has become more uncomfortable.

Rich countries have 'kicked away the ladder' by forcing free-market, free-trade policies on poor countries. Already established countries do not want more competitors emerging through the nationalistic policies they themselves successfully used in the past.

The washing machine changed the world more than the Internet.

Between the Great Depression and the 1970s, private business was viewed with suspicion even in most capitalist economies. Businesses were, so the story goes, seen as anti-social agents whose profit-seeking needed to be restrained for other, supposedly loftier, goals, such as justice, social harmony, protection of the weak and even national glory.

Financial markets need to become less, not more, efficient.

In manufacturing, where mechanization and the use of chemical processes are much easier, it is easier to raise productivity than in services. In contrast, by their very nature, many service activities are inherently impervious to productivity increase without diluting the quality of the product.

Self-interest, to be sure, is one of the most important, but we have many other motives - honesty, self-respect, altruism, love, sympathy, faith, sense of duty, solidarity, loyalty, public-spiritedness, patriotism, and so on - that are sometimes even more important than self-seeking as the driver of our behaviors.