You are moving the goal posts. The first issue was about denying access to someone completely based on one single identity. Now you are also trying to add the i

You are moving the goal posts. The first issue was about denying access to someone completely based on one single identity. Now you are also trying to add the idea of having reputation as a requirement? Anyway, it is still something to be managed. You just create multiple identities and you work with them to suit the target audience. To go with your "membership to the Communist Party" example, there is nothing stopping any actual communist to have an identity where they act as someone who is not a communist, and use it when needed.