>>52192806spoilers:
the game takes place in the world's hugest bouncy castle. professor sada refers to this specifically as "the bouncy ecosystem". clever visual details like this are meant to indicate that the air pressure has slowly been dropping.
in the final act of the game you have to fight her to escape the rapidly deflating world. it is implied that more pokemon died in the ensuing destruction than any other event in recent paldean history.
