If a competitition is in an hour, an injectfag can pkhex his pokemon in 3 minutes, a breeder might take 3 hours. Thats clearly an unfair advantage, and I dont see how you can still say there is no advantage with having hacked pokemon with legal stats.

>B-but if you dont have your pokemon ready an hour before a competitition you deserve to lose!

injectors can just type in their pokemon on showdown, import it into pkhex, and spend the rest of their day sitting on their ass. Breeders maybe had a time limit of one week, they started on day 1, then on day 7 "oops I accidently bred for a modest greninja and I need timid " now they're fucked. Meanwhile the injector can just go into pkhex and change his nature, scan his qr code and be done with it