Today, 3:51 AM · 130 replies and 2390 views.
I've not watched your video yet, but I've been compiling info about this event for the Rift thread from various sources.
The "leak" that is your smoking gun, I assume, is the discovery of comms beacons at the destinations of the 4 book characters. An explorer stumbled upon these and saw the message the characters were racing to deliver, before the event started.
These are server side so were injected into the game during the last update for players to find. Game mechanics meant there was a chance of them being stumbled across instead of players being led to them during the chase event, which is what happened, and Drew requested people to not spread this to maintain the illusion of events unfolding in the game.
There were 4 characters and any one of them reaching the target system meant the info would be broadcast. From a storytelling perspective, what happens to those 4 individuals didn't matter, as long as one reached the destination. Hell, even if all 4 died I think there was a 5th character not...