It appears another "gigaleak" has gone down, involving Nintendo. According to sources online, it appears that Game Freak has been hacked, resulting in internal data from the company being leaked to the public. Those involved in the hacking community or those within general Pokemon related groups...
Which is exactly why I stopped playing after Gen 2, which was the peak of the series IMO. If you want to see everything the series has to offer, just play Gold/Silver (or their remakes on the DS). No reason to waste time and money on any other Pokémon game.