Anthropic isn't even taking a particular hard stance. Their mass surveillance prohibition only applies to domestic spying, so they're a-OK with spying adversaries. If all of the AI companies all over the world took the same stance, it wouldn't improve the life of Americans one bit.

The only other thing that the foreign AI companies could do is say no to automated killing bots, which doesn't even seem like that good of an idea considering that your countrymen will most likely have to interact with these robots that can kill without any oversight.