Official site description of Battle Tree

"Somewhere in the Alola region, you’ll find the Battle Tree: a place where those Trainers who have completed their island challenge—or who are strong enough to have done so—battle one another. All of the Trainers you can encounter at the Battle Tree are strong. It seems you might even encounter two battle prodigies from the Kanto region. At the Battle Tree, you can scout an opponent you’ve won against so they can partner with you in future battles. You may even be able to scout some familiar faces "

Serebii description of the Battle Tree

"In the game, part of the narrative is that the people of the Alola Region are creating a league. Once that is done, anyone who becomes a champion has the ability to participate in a new Battle facility. This facility is called the Battle Tree. This facility has you battle many of the strongest trainers from around the globe including Red, Blue, Cynthia and Wally"

So where did Serebii took "many of the strongest trainers" when the main site says "some".

Im not trying to throw mud at Joe because maybe it says it like that on the Japanese website but can anyone else confrim that?