that kind of threat doesn’t work when they can just tell your country to arrest you for breaking the law.
That assumes the country gives a shit. Many countries simply do not care about what Intellectual Property you “own” or created in some other country.
I’m not sure that Nintendo has any pull in any Middle Eastern country or China.
But all of this is moot as the lawsuit is in the US… And Nintendo would just tell the streaming services to ban them over and over again.