It was, yes. But the suspicions have more to with patterns I've observed.

[And so he reads one of the notes aloud:]

"Better vessels from afar. Stronger souls..." I had already concluded that we were not the first to make the trip toward "Nirvana," as the recordings left for us on the Convoy and all other audio recordings were very old. This simply confirms that we were brought here as puppets, torn from our own realities to continue the cycle.