Society has to fight hard and endure a long time for every % of return. Investors on the other hand will never be satisfied with their piece, they will always need more, and sooner not later.

Or as Adam Smith put it: "All for ourselves and nothing for other people, seems, in every age of the world, to have been the vile maxim of the masters of mankind."

https://www.quora.com/What-did-Adam-Smith-mean-when-he-said-...