Of all the real commercial apps written in Odin, few are games. JangaFX tools for example definitely involve graphics (like games), but they aren't games.
And what exactly is a "video game" language? A language that's low level and can do fast maths? Almost all commercial games are written in C++, but no one calls that a "game" language...
But in short, my hypothesis is because the Odin compiler bundles many graphics-related packages but does not bundle with an official http package, it is therefore "only" for games. He has no idea what games actually involve to make, and it is the most accidental compliment he could give. And we already have an FAQ answer for this: https://odin-lang.org/docs/faq/#is-odin-just-a-language-for-...
And what exactly is a "video game" language? A language that's low level and can do fast maths? Almost all commercial games are written in C++, but no one calls that a "game" language...