Everyone wants to park some money and have other people work hard to increase the real value of said parked money. Not everyone can win big. Storing value is actually pretty amazing thing and that it can be profitable is magic. Of course the environment and poorest pays some of the free lunch.
An investor friend once told me that the US needs to always be in debt because treasuries give investors a risk-free place to park their money between investments. The sense of entitlement was astounding.
it really depends on whether or not there is a global capital shortage. this is very easy to do when the economy requires much more capital than is available. and in the inverse, it is self explanatory