I don’t think it’s a narrow scope at all, it just shouldn’t infringe on the territory of users
Launch alerts, RSS feeds, version releases, a of interesting communities could be based around bot posts.
Not reposts for sure though, and if we’re going to do stuff like pipedbot I’d prefer it be summoned. But in general it’d be fun if we made them weird and creative, but they should be doing things only bots can do