I do remember the series of events last night involved a lot of admin/event messages saying things like
"don't go near the ifrits"
"if anyone messes with the event vehicles they will be dealt with"
"get in the tempest to be teleported to the start of the event"
As at the time of all these server wide messages, everyone participating in the event was together a lot of these messages should be able to be relayed through direct chat and don't need to be relayed on an admin/event message to the whole server. There are a few messages in the begging that are understandable, and another saying where events are taking place to warn people, which is understandable. Other than that I think that admin/event messages should be used more sparingly.