>>57004239Sure but I'd argue stuff like the surfing Pikachu or Spiritomb are just completion bonuses. The real reward for Mantine surfing is BP that you can use to buy a lot of broken stuff that directly impacts the core gameplay.
If you spend hours surfing you can easily pump your team full of vitamins and coverage moves. If you spend hours mining all you are going to get are mostly useless items with niche uses.