If it is true it may also mean that what is on disc right now, is currently/needs to be reworked with how the story is right now. Maybe even that areas used to be considered for, say, the human story start and the like. That said, much like Smash leaks, we may have to wait until future official updates come in to be able to tell if he speaks truth or not. ANd if he is, its understandable why he wouldn't be all out in the open (more so if he is still working there)