Haha, well I won't spoil anything, I'll just say that the reveal you are referring to isn't meant to be a "big reveal". For me at least, I saw it coming a mile away as it's extremely foreshadowed by the first act of the story (ie. The first NPCs you find at the very beginning are convinced they are still in their meat bodies, there is no other reasonable explanation for how you travelled to the future, etc.). The real story is about how you can still serve a purpose in spite of that revelation.