That has nothing to do with anything. You will obviously not be aware of it, but by far the greater majority of English speakers you encounter on the internet are not actually from an English speaking country, and definitely not from the US. That is because English functions as the lingua franca of the internet, so we have to use English to be mutually understood.
The US is the largest English-speaking country by far and this post is in English. Switch to another language and you’ll see less US stuff.
That has nothing to do with anything. You will obviously not be aware of it, but by far the greater majority of English speakers you encounter on the internet are not actually from an English speaking country, and definitely not from the US. That is because English functions as the lingua franca of the internet, so we have to use English to be mutually understood.