I was thinking more the usual "running theme" we have been seeing since Sapphire/Ruby, like how those Team Rockets du jour where obsessed with sea/land, or how the recent Legends Arceus had the time/space obsessed teams. One Professor obsessed with fossils and the past, one professor obsessed with the future (and evolution? hatching?). At best we get a time hole that spits out a legendary. Mostly just more electric/steel types in Violet, though.