"Pokemon seem to understand the common language here very effectively after very brief periods of exposure to humans, but I've yet to form any solid hypotheses as to why."

She tilts her head as she look at him curiously. "I assume you've also seen how Pokemon typically approach you when you're travelling through an area of wilderness and initiate combat? This is rarely an act of territoriality - Pokemon seem to make a very clear habit of not engaging with humans unless it's for their own personal gain."