I don't think anyone is defending The Communist Manifesto. The poster was being intellectually honest by defending communism-without-force, and attempting to clarify a taboo word that has been wrongly associated and conflated with other authoritarian ideas and philosophies.
"From whom" is irrelevant in this case. The idea "to each according to their needs" is descriptive of hypothetical observations negating the old, dominant Darwinian theories. It's not a principle, authoritarian rule of thumb for communists....only a principle observation.
Want DP delivered to your inbox daily? Subscribe here: