Which also means not always available inside the US, as Google's geo IP has to be the worst I've experienced. In Denver, they located me as being in France. After a while that got fixed. Now Google thinks I'm in Hungary. Despite multiple requests to fix it, it remains the same over months They could even automate it to some extent just by pinging. Use speed-of-light to determine that my system definitely cannot be in Europe.

A lot of things do not properly de-localize, when you select English or no customization. Menu text, alt text, logos, etc. all remain localized. It's a terrible implementation.

Chrome was (is?) worse. It'd "auto detect" the language to use based on IP, then refuse to remove it once running. So you'd have an English OS, sending "en" in the Accept-Language language header, and Chrome would decide you actually wanted Spanish or Russian or whatever, using .ru sites, etc.