This is further extended to anything and everything that can be proven to have as much as a toehold in the USA too
Indeed, and it is high time for that interpretation to get smacked down on the basis that the USA certainly wouldn't like a Chinese judge to reciprocate and order a Chinese subsidiary in the US to hand over sensitive email data. At least, I doubt the USA would agree.
I do hope that the EU is going to find the balls somewhere to stop this nonsense. The Internet is a game-changer because of its globality. Local rules cannot be imposed over the Internet.