I’m a branch secretary and activist for the Workers Party of Britain and also a member of a communist party, as well as a very active member of ACORN, a community union. I spend most of my time leading and supporting member defence cases for ACORN members who have issues with their landlords, but I also occasionally do public speaking engagements, comms activities, party journalism, reading groups etc…
It’ll take time and commitment from its early userbase, but eventually it should pull in enough people to become a self sustaining counterculture community to the swamp that is reddit. People don’t come here for the content, but rather the community itself.