The only thing that could really exist in a full communist society is one person businesses and not even that really.

You’re capitalist but so ignorant about capitalism that you aren’t even familiar with co-ops and partnerships.

people just worked and bought food - there wasn’t anything else to do

Take ten seconds to think about this one. You honestly think people just toiled away at work, went to the store, then… just stared at a wall in their mud hut? You honestly think there wasn’t any literature, or theater, or TV, or movies, or music? No one played sports or went to school?