>I am partial to the idea of someone getting to decide, in advance, who they can see or hear. Who decides? Why were they chosen? How were they vetted? Is the v

>I am partial to the idea of someone getting to decide, in advance, who they can see or hear. Who decides? Why were they chosen? How were they vetted? Is the vetting process continuous throughout their stay? In other words: What checks and balances are in place to make sure they don't abuse the position for the advantage or disadvantage of a group due to personal motivation? The idea of a constant lifetime blacklist/whitelist makes me envision a world filled with small echo-chambers, all supportive of their own ideas, and filled with ire towards anything they view as opposition.