Also important to note that the TRPF is largely about new machinery. Competition involves increasing technology, which raises the mass of commodities and usually the mass of profits, but lowers the rate of profit. This is only fought by further raising the mass of profits via expansion, which is why we get imperialism as capitalism grows.
Couldn't this also just end up as a command economy masquerading as capitalism? Basically the oligarchs get together and say ok game over we win, lets divide up whatever is left and milk that cash cow into perpetuity?
You speak of the transition to a non-capitalist economy that's a kind of socialism for the few against the majority, so it wouldn't fully resolve the contradictions of capitalism. I guess how stable that would be depends on the details of how production is organized. But it seems like the ruling class has made their choice for how to manage the crisis: using fascism to enforce an ultra capitalist logic of accumulation through expropriation and overexploitation by violent means.