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@Brendanjones So, now that the poll is over, here are some reasons I can think of. I'd still love to hear your ideas, btw.

- User safety. The user knows that a troll server is subscribed to the relay, or it's an open registration relay, and a troll server *could* subscribe. They want to make sure their content doesn't go out to instances dedicated to harassment.
- User control. They just want to know they can turn the tap on and off if they need to.