The expected ~ +16 % difficulty increase in a few hours is still in the +18% / 10 days prediction with a acceptable ROI, so nothing to worry about.
Last difficulty peroid was much more profitable than expected anyway.

In the longterm price and difficulty always get to a level where profits are minimal, but in the greens with the cheapest electricity available.

China is still dominating the mining industry, no matter if BCH or BTC, but this is about to change.
Afaik ViaBTC is closing down their cloud mining service.