Earlier quoted context omitted.
I'm a little bothered by the article title because it implies it's related to the manufacturer being from China, despite ample evidence that pretend-reputable software vendors like Google, Amazon and Microsoft all bundle universal backdoors with their systems. Google infamously pushed settings changes on their phone lines without user consent via the Google Play Services backdoor. Amazon removed the (bought) book 198…
Do any of them steal IP, as is alleged here, and has certainly happened in other cases involving Chinese, often state-controlled, companies?
Yes.
Lots of IP between your ears. No point in the code/manuals/docs when you wrote them yourself. You’ll know they’re not exactly correct and may appreciate being able rewrite from the ground-up now knowing what you now know.