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that's the first time I hear this argument, and yes, I have to agree with this absolute truth.

okay, the case against capitalism is obvious

expecting more returns than what one puts in
Wages can never equal the ouput of labor.
endless spending to sustain profits

That is indeed a recipe for some judgment day

Yep, its a fraud, and when the folks figure that out they are gonna be mad.

Not much hope of that now, but as the wealth disparity strikes ever lower on the economic ladder, the chances of convincing them they can simply keep working, while refusing to pay, and the world wont explode, increases.

and do not forget.... subjectivity of value, which too increases the market' volatility

(sorry for typos, I am kinda dyslexic)