Wener seems to be Chinese and working for a Chinese company [1]. They didn't state their reasons for not trusting Alibaba clearly, but that doesn't mean they're speaking from ignorance or prejudice.

I have no solid opinion myself, as I have no real knowledge either way.

[1] https://news.ycombinator.com/item?id=12478652 https://news.ycombinator.com/item?id=12478772