The millions dead in the Holodomor and the Great Leap forward certainly don't have any need for money anymore.

Both of those articles demonstrate that the improvement happened after those countries allowed market economies.

China's unprecedented generational explosion into the middle class happened only after Deng Xiaoping instituted market reforms. Economically, China is certainly more socialist than the west, but far more capitalist than it was in the 1970's.

Same with USSR/Russia, post-communism.

Only after they gave up a planned economy.

Your second link refers to poverty being reduced after the fall of communism, when former Soviet states instituted capitalist reforms.

Most communists and socialists will refer to both the USSR and China as capitalist projects on accelerated timelines. They were trying to speed-run from feudalism, through capitalism, to communism.

At least that's what comes up when you mention the problems that these countries have.