Events are unofficial and have nothing to do with staff. Events are just something organised by players and entirely up to players. It'd be absolutely amazing, but a lot of work, if players could put some money to sign up to host an event, and at certain times during the day the event happens and is created by the host, that flies around in spectator observing everyone and making sure everything goes well. This would require a ton of planning and thinking, but it would probably be one of the best updates to Survival and would make events more official and frequent, with players knowing when and where an event is.