>>34463127>>34463141It was most likely just them jumping to conclusions. It is very likely that the codename for USUM was indeed "Stars" (seeing as SM had a codename too), so they likely got that information consecutively with the Pokémon Switch information, which was publicly revealed right after USUM mind you, and just made the assumption that the two things were one and the same.
>"Oh look, a new Pokémon game codename! Oh look, a new Pokémon Switch game! I bet these two pieces of information is about the same game!