Communism is simply slavery by the State.
Hayek noted in 1944 that socialism is slavery. Moreover, he attributed this observation to Tocqueville and Lord Acton, both of whom argued this point well before the emergence of Soviet Communism or German National Socialism.
The Left (at least the thoughtful among them) are fully aware that socialism is slavery, but they simply don’t care. In their minds, an aspiration of equity justifies a reality of slavery.