If I have a dollar more in my pocket than you do in your pocket at this moment, by all modern monetary conceptions of wealth, I’m richer than you.
If I have a dollar less in my pocket than you do in your pocket at his moment, by all modern monetary conceptions of wealth, I’m poorer than you.
If I add a dollar more of value to the economy through the writing of this blog post, and you gain more than a dollars’ worth of value from reading this post, then who is richer and who is poorer?
Value is hard to quantify (it always has been) but if the market doesn’t figure out a way for more people to add more value in ways that dovetail with their innate talents and skills (that may never have been valued before) then we’re all in a lot of trouble.