Earlier quoted context omitted.
Any wage gains that are derived by unionisation are zero sum. They are economic rent extracted by reducing the competitiveness of labour markets, and advantaging unionized workers working for big employers at the expense of those without such jobs. In the long run, the reduced profit margins caused by wages that are artificially high (above the rate that would be established by the free market) results in less invest…
Wage redistribution isn't zero-sum, because it means less for a rich person to lose a dollar than for a poor person to earn one. Also, I recommend rereading your post with "labour" as "proletariat" and "investor" as "bourgeoisie". Hopefully you'll discover class consciousness.
If that were true we ought to make all income flat. Private property rights allows those who are the smartest investors of capital to generally control more of it. This leads to better capital allocation, which leads to more growth of wealth. Wealth has broad societal benefits through positive externalities so it's in our interest to see it expand, regardless of how it's distributed.
>Hopefully you'll discover class consciousness.
Marxist tribalism. There is a reason all Marxist economies fail to keep up with market economies.