if some one had stats like that i'd call hacks since all event legendary pokes are set to have 3 max ivs. for something you can't even battle with in official vgc tournaments, it's not worth soft resetting for hours.
People here really take their time softresetting it's not too uncommon to find flawless penta (event) legendaries. Also that's your opinion. Not ours if you think about it that way you don't need to put that here too (sorry if i sound aggressive)