Markets are not the enemy of equality. Regulated markets are. The income inequality that naturally occurs in the free market as a result of human uniqueness is needlessly amplified by restrictive government policies to the detriment of all.
Anticapitalists often complain that people with more money exercise power over people with less money. Yet these same people seem oddly untroubled by the fact that central bankers can manipulate the money supply at any time to enrich themselves at everyone else's expense.
To a socialist socialism is a moral imperative, and the only thing holding back the implementation of this system in the US has been the failure of socialists to present a plausible alternative—something that socialists claim now is being done.