Tencent is ready to sue the United States Department of Defense if it is not removed from the list of Chinese military companies.

They can probably try, but much like this case, it's very unlikely it will get anywhere.

Yeah, it's about as likely to work as claiming to be a sovereign citizen and attempting to "travel" through a military base with weapons.

I would like to justify spending money on Warframe again

Don't even have to read the article to find out, it's in the fucking headline.