The US software industry has already conquered the world, and continues to do so. It doesn't mean that it'll always be this way, but if you wanted to associate software with a single country, then the US would be your answer.

Why does it need to conquer the world? I just want to deal with sane, performant software.

And people in other locales want to be able to use their own name without software mangling it.

At some point there is a physical limitation, there's no passport in the world that accepts a 666-character name.

The US only gives you 21 characters on the DS-11 for a surname.

You're assuming one character is stored as one byte, which is only the case for English.

I just want to deal with sane, performant people.

We'll just both need to learn to live with disappointment.