Loose monetary policy can appear to work so long as real wealth is expanding. But money expansion weakens wealth creation over time, eventually leading to slower growth, lost wealth, and economic busts.
Recycling isn't free. It requires the use of time and resources, many of which end up wasted. But politicians keep insisting that recycling is always a win-win, even though we have many examples to the contrary.
A business owner who cannot understand why a customer is not happy — or even very disappointed — with getting a full refund for a faulty product has failed to grasp some very fundamental economic concepts.