…or the support.
F’rinstance, get a Chinese webcam, and find the latest download.
Also, there’s some controversy over the privacy in Chinese products (but it’s easy enough to make the same argument about almost any brand).
I have found that Chinese versions of products make up the largest percentage of gray market stuff. I suspect that some percentage of that, is outright fakes.
Also, grey market products aren't junk - they are by definition the official product just without the price gouging the manufacturer does in locales where they can get away with it.