>>45681157I think the real issue is that he's representing entire countries and continents with one person.
For the gym leaders, he has a hipster stereotype, farmer stereotypes, an artist stereotype, a punk stereotype, a business mogul stereotype, etc. It makes the rest of the region look diverse.
And this applies to the real Pokemon games, too. The characterization doesn't have to go beyond basic stereotypes because no singular character is tasked with representing the entire region.