(I don't know if I can write this here, so if someone corrects me, I would appreciate)
As you all know, 7 gen introduced the Poke Ride, that removed the requirement of Hidden Machines to access in certain routes or even continue the story.
If this feature (or something similar) would be reaaaaaaaaaaally awesome.
I suffered too much when I taught Waterfall to Milotic to go down into the Water Treatment Center...