Ah, you mean the thing about hacked pokés on the GTS.
Check out Omega's Manaphy description:
[WARNING: Because Game Freak never foresaw the RNG and Mystery Gift being abused in this manner, they automatically assume all shiny Manaphy are "hacked" and thus will not allow Battle Recorder videos containing them to be uploaded. For this reason, a non-shiny Manaphy egg is available.]
I was the one that tested it.
Check out Omega's Manaphy description:
[WARNING: Because Game Freak never foresaw the RNG and Mystery Gift being abused in this manner, they automatically assume all shiny Manaphy are "hacked" and thus will not allow Battle Recorder videos containing them to be uploaded. For this reason, a non-shiny Manaphy egg is available.]
I was the one that tested it.