>>48921246Most regions only have 1 or 2 routes as long as the average Unova route, the healing spots are just good game design, since as the other anon said, they're placed in a way that they're only available when the player actually needs them, or they're at the entrance of a dungeon or whatever, like the one in Desert Resort, so going back to visit them is exactly the same as going to a Poke Center in that you lose and progress you've made and now need to backtrack to where you were, only you don't actually need to trudge all the way to a Poke Center.
Like, actually go look at the length of some routes in non-Unova games, they're short as hell and can be cleared in a few seconds, meanwhile Unova regularly has routes like pic related.