They shared all their Chinese users' iCloud data. It's a huge distinction and I feel like you paraphrased it deliberately to try to make Apple appear to have sold out all of their users worldwide. While what they did in China is terrifying in general, it doesn't compromise security for any Apple user outside of China as you very strongly implied it did.
Here's the very first sentence from the link you posted (emphasis mine):
> A state-owned telecommunications company in China now stores the iCloud data for Apple’s China-based users.