There needs to be a "make them person stop following me" option so I don't feel like such a dick when I block people. What's so wrong about that option? Also,

There needs to be a "make them person stop following me" option so I don't feel like such a dick when I block people. What's so wrong about that option? Also, why can't I block/force someone to stop following me if they don't have a google profile? What?