Great observation. This is a core issue addressed by our reputation-system as well. All reputations are community-specific. Ie, your reputation-score on the pol

Great observation. This is a core issue addressed by our reputation-system as well. All reputations are community-specific. Ie, your reputation-score on the politics community will have no impact on your posts/votes in other communities. This ensures that if anyone is ever dis-satisfied with the way the highly-reputed-users in a particular community are using/abusing their voting-power, they can simply create/migrate to a different community where those individuals will have no voting power at all. In the equilibrium, people will self-select into communities that match the tone/character that they are looking for.