Why is communism/socialism always associated with totalitarianism/authoritarianism? Are they inevitably tied? Why?

@nina The communist comes to your home and demands you share the space with the commune. You say no. What does the communist do?

@matrix @nina Did you find free real estate and then build a home on it all by yourself?

@taylan @nina That's most retarded reply I've seen in a while and not at all unexpected.

1.They would demand it even if I did.
2.No, I've voluntarily exchanged my labor for a trusted medium of exchange and I've exchanged that trusted medium of exchange for the labor of builders, craftsmen etc