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...
This is what made it in, but there are more of those myths that do get pretty dark for this series that was uncovered in that hack, also a beta build of BW.