>>43437699I guess, this also depends on when Pokemon came into existence too. If they existed like during the big bang and whatnot, then Pokemon and Human's would probably not exist and there would be some type of Human/Pokemon Hybrid running around simply due to how similar the two species are.
Not intending to be some weird furry shit, but it makes sense that this very human-like species and this other human-like species would intermingle and lead to an overall stronger and surviving species.