User blog comment:HELO/How I Learned to Stop Worrying and Love the Catalyst/@comment-2228120-20120709183617/@comment-2250460-20120711050704

The Bioware team was probably working on a great way to implement the Catalyst into the game, when all of the sudden Casey Hudson walks in and says "Guys, stop what you are doing. I just saw an awesome episode of the Twilight Zone where a plot twist was revealed at the very end. Lets do that".