Zero evidence or explanation provided, meaning that it's far more likely that GP is making good points that you cannot respond to.
> here's an FAQ [1] that can help clarify what terms like capitalism, communism, feudalism, profit, etc. actually mean
This is a lie. Marxists intentionally repurpose and distort language, especially language around markets and governance structures, to deceive others into falling for their murderous and completely infeasible ideology. These are not what those terms "actually mean" - those are how Marxists use those terms. Claiming that those are what those terms "actually mean" or that that's how other people use them is false and deceptive.