Here, you'll find a list of all of Pokémon exclusive to each version (thanks to Serebii for early confirmation of several): Pokémon Scarlet Exclusives Name Where to find Drifloon In mountains and towns, in the evening or at night Drifblim Evolves from Drifloon at level 28 Armarouge Use th...
Also you said "Every Pokemon game before SwSh only had PvP" which isn't true. Gen 3 and Pokemon Platinum for example allowed players to do things like co-op battle tower together along with other multiplayer features in battle frontier. I also want to add that the wild area isn...