You're not wrong, but you're going a bit historical there with DK 64, which came out in the 90s. On top of that, British developers were notorious for picking employees for voice work.
Nintendo still uses internal staff for incidental stuff, but you can see the trend of professionalization. Tears of the Kingdom came out on the same day around the world with a large professional voice cast for every supported language. That's where Nintendo is going.
Nintendo still uses internal staff for incidental stuff, but you can see the trend of professionalization. Tears of the Kingdom came out on the same day around the world with a large professional voice cast for every supported language. That's where Nintendo is going.