yea i saw the android theory from that "source" on gaf. i wouldnt mind the replicant thing...I am betting 100% of my coli cash the main character is going to turn out to be an android with implanted memories of a pre-war guy.
Remember that each vault had a different experiment. Some vaults may have done the cryochamber setup. Others did the aliens/installer stasis setup like the tranquility lane vote.
Expect to see a lot of blade runner references as well. Young people may not understand that stuff.