In practice, that's a useless tidbit. Would you rather be the average South Korean or the average North Korean? Their lives are completely different, those are different states for a reason.
Ok, let's clarify in the context of our topic: why would Foxconn's founder send data to the RPC government? Just because the Taiwanese are primarily ethnic Han?
I think Republic of China would at this point prefer to be referred to as Taiwan rather than China. This way they can also distance themselves from all the human rights abuses happening in Xi Jinping's China, you know concentration camps, medical genocide (organ harvesting), mass surveillance and whatnot.