Smithfield is but one of a long list of Corporate ownership which gains free ownership/suffrage in "US" policy without having to pay the price of Family loss.
This was the first hit:
http://fortune.com/2016/03/18/the-biggest-american-companies-now-owned-by-the-chinese/
The power in charge here in the US agrees that, 4400 deaths a year due to dirty air is a small price to pay to continue having Corporations the Freedom they so rightly deserve.
Hows that freedom working out in China? Just fine.
Mc Donalds just had to admit they know nothing about Marketing and the Govt. knows best. Corp. rules says go with the profit, or in this case the Communist controlled place of commerce.