You seem focused on the labor theory of value, and sidestep completely the entire idea of investors, or the entrepreneurial function they serve.
Advocate for higher taxes if you wish, but acknowledge that economics are not a zero-sum game and propose an alternative to savvy investment, unless you simply want to foment division or to upend modern capitalism entirely.
Economics are only not a zero-sum game to the extent physics permits it to be. No amount of financial wizardry can change the fact that, ultimately, it's the labor that produces all wealth on the planet. Investors in modern capitalism, for the most part, serve the function of parasites, so yes, it would be very nice to upend it entirely.
Advocate for higher taxes if you wish, but acknowledge that economics are not a zero-sum game and propose an alternative to savvy investment, unless you simply want to foment division or to upend modern capitalism entirely.