The X was basically designed for China, you can’t show off with a design that is 3 generations old already! Apple didn’t bother updating their ID for 3 years (6, 6s, 7), which is why sales were so tepid in China for the last two years. The X fixed that.

The effect of iCloud moving will be mostly neutral. As long as WeChat continues to work on iPhone, whatever iCloud does won’t be very significant. I doubt most iPhone users in china even know what iCloud is.