Our CDN works all around the world, but there might some "special" network setups, which obstacles the usage of a CDN. Typical examples are highly regulated old fashioned corporate networks.
So a translations setup, where you mainly rely on our CDN, but have some sort of local / bundled fallback in case the CDN is not reachable would be a good alternative to having all translations always only bundled.
When using i18next, this is possible with the power of the i18next-chained-backend.
Here you can find some usage examples: