I'm also not sure I'd blame the engineers in SV too much, of course they design software based on their own context. But with tech becoming global, it's a bit sad how it's not prioritized more.
Examples include bad dictionaries in other languages. Bad or no translations. And for instance in Norwegian we quote things like «ord» or „ord“, but all software I use do or makes it harder than just doing "ord". US systems assumes all addresses uses zip codes. My name contains a letter not in ascii, breaking lots of systems. I can't use vpn at work if I'm in a city with the letter Ø in it as some go proxy geoip location thingy crashes. ChatGPT can output in my language, but the language is stiff and feels off. If I ask it to rhyme, it doesn't but if I were to translate back to English it rhymes. Some systems ask me to input a time in am/pm and I've no idea which is when.
Or how things are moderated to an US standard. In Scandinavia boobs are fine, and in Danish newspapers you'd see them all the time. With global networks, we're now moderating to American "prudeness".
I actually think MS products are fairly good at this. They are big enough and have been around long enough to be fairly well localized. Word uses quotes ok and grammar is not terrible. Except it for decades have insisted on writing internet with a capital I for some reason, which we don't do.