What do you think is/headcanon as the in game lore for all the "supertrainers"/"superbosses" every game has? Obviously there's your average trainers, gym leaders are considered very strong trainers, elite 4 are supposed to be the best of the region with most gym leaders generally being worse than them(save for stuff like Koga), and obviously the champion is the best trainer in the region.

But how do you justify stuff like the Frontier Brains? Or the Subway bosses? Alders grandson? Etc. Most of them always have mons with perfect IVs/evs, competitive sets, etc. obviously for the sake of post game challenge but you think there's a lore reason for that as well?

I always imagine in terms of the regions "league" the champions are the strongest but all the super bosses are all champion tier as well they just exist outside of the league.

And what of the generic trainers that participate in those things? Are they all champion level too?