I have to say that this thread has gone a bit bonkers. Think about what DJI has done. This wonderful entrepreneurial enterprise has capitalized on a the body of knowledge accrued by RC hobbyists and Silicon Valley technology and other sources from all over the world for the past, what, 3 decades and brought us enjoyment and created something that expands the boundaries of our experience. Please don't denigrate their ethnic or political origins. That smacks of a bias that ignores a body of contributors from all countries to our quality of life. The Chinese culture probably produced explorers that beat Columbus and even Eric the Red in the discovery of America using their own compass. Marco Polo even brought back the origins of spaghetti from his his 17 year stay there. See BBC NEWS | Science/Nature | Oldest noodles unearthed in China . So where would you guys be without spaghetti? Probably a lot thinner! 
