Looks Like Brendan Skipped Leg Day
Pokemon trainers are all actually incredibly strong, which you can tell by their ability to uproot entire trees just by picking berries. They only send Pokemon out to fight for them as a courtesy, so their opponents aren’t rendered into fine blood mists.
They had to practice for when they needed to get rid of a bush that was in their way, but they didn’t have any pokemon that knew Cut with them.