The monetary system is what created the world as we know it. It made a simple way to measure how much wealth you have in comparison to other. The idea of having more than the other, greed fueled by self interest.
I wouldn't have it any other way
Value is all subjective, 1 million dollar worth a lot for average household but almost nothing for bankers. You don't care about spending 1 dollar more on your dinner tips, but for some other people that might be one day's pay. And the funny thing is: Those who get lowest salary work the hardest, while those earning millions of dollar per year lying on the beach, just because today's monetary system