>>42312842They stated in video that there will be a NPC who help you to get gigantamax on some of your pokemon. It's where Galar starters will get their gigantamax forms, and it made most sense why they're not 'literally bigger' like other gigantamax pokemon.
It's pretty likely you can get gigantamax Venusaur and Blastoise from these new Max Raids, the same way you get Charizard from raids
