What is the reasoning behind displaying shiny Pokemon during team preview? Some event Pokemon, most notably Happy Hour Jirachi, provide immediate information at team preview based on whether or not it's shiny, which can definitely change the way a battle is played. For example, if an opponent sees a non-shiny Jirachi at team preview, they immediately know that it will not have Z-Happy Hour and thus will not be pressured to keep a check to that set healthy. From what I know (I've never actually played a wifi battle with the cartridges), this information is not given during team preview in-game, so is this a feature unique to simulator play?
edit: I guess this could go in the PS Q&A thread as well, but this might have been a competitive decision made by Smogon.