>>44088284That’s a very stupid and useless question. All we’re told so far is that Pokémon and humans saw each other as equals in ancient times, and frequently married each other back then, in the japanese version of Diamond and Pearl.
Game Freak hasn’t explained why it fell out of practice or became a taboo.
All I can theorize is that a sense of human supremacy was always persistent in human society, which was then enforced when pokeballs were invented so that humans can more efficiently use them as weapons against one another. After many years, centuries perhaps, warfare and conflict died down, and the use of pokemon regressed from being tools of war and into tools of a worldwide recreational sport.
In other words, human tribes that used to marry and live as one with pokemon betrayed them by becoming empires that enslaved Pokémon for their own selfish gains. It has been going so long that what used to be the norm became the taboo, and I imagine that packs of wild pokemon would resent any of their own kind that joined ranks with the humans, be it willingly or becoming overpowered by them, let alone fornicate and have intimate relationships with them.
