And if you dig in a little deeper, you realize that that's a bunch of social Darwinist bullshit perpetrated by those already rich who stand to gain the most from inequality - No different from the concept of nobility in centuries past.

Very telling are those "ands" and what's left out: "successful and capable (implied: rich)". "marginalised and useless (implied: poor)". Those traits don't go together automatically at all unless you use circular logic to define them in the first place.