>>54872386>The game initially presents the paradox mons as time travelThe game presents the paradox pokemon as fake. You have access to the Occulture and Paradox Book once you get control of the character inside the Academy at the beginning of the game. In Raifort's history class, she talks about the public questioning the validity of Heath's expedition, and people rule it out as fiction. Later in the game you learn that everything Heath wrote about was actually real, but Arven later questions the timeline of events.
I posted this about a week ago and it explains your undesrstanding to a tee.