I thought he/she was being pretty clear, actually. I understood his working definition to not be "all the bad things ..." but roughly "the philosophy espoused by the Communist Manifesto and by the governments of the USSR, Mao-era China, and Khmer-Rouge Cambodia".

What are the atrocities committed specifically in the name of capitalism? I'm genuinely curious which ones would add up to having the same impact as the ones committed in Stalinist Russia, Cambodia, and cultural-revolution China.