That's their argument, but no matter how many times you polish a turd it is still a turd.

Marx was right about the problem, but he was completely wrong about the solution. He was wrong in his economic arguments and he was wrong in his logic. Lumping people into classes is how the elites have built their power bases since the dawn of civilization. Any proposal that continues to lump people into classes can never be a solution to the problems such classism brings. Doubling down on classism as Marx did can never lead to the eradication of classes as Marx proposed.

There will always be another revolution, but so long as those revolutions center on the group and not the individual, each and every one of them is predestined to fail.

Their refusal to see that makes your citation of Romans quite apropos.