Holw do you define US based drivers? Because they are in English? WEll, there are other countrires that use English. On top of that, it is not Microsoft's responsibility to provide drivers but the manufacturer. If HP doesn't want to provide drivers in Japanese or Hindu, it is their decision - not Microsoft.
MIcrosoft provides Windows in dozens of languages [although English will be one of the first batches to be released, followed by the next set of popular languages].
If you are in Israel, you buy a copy of windows, it will most likely be available in Hebrew. Another language other than Hebrew will require a special order. Similarly, if you want English but you are in Germany.
Microsoft provides more languages for the OS [as well as Office] than any other OS.
I think you are probably just anti-US.