For websites published in multiple regions and languages, it's key to lead the user to the most relevant site.
The browser offers publicly accessible information, about the user's language preferences. It's easy to redirect the user based on this information.
It's a mystery to me, why the most valuable tech company in the world won't do this.
Take this action
Automatically redirect users to the language they prefer. If no available language matches user preferences, it makes sense to let the user chose.