Apparently, Apple has taken the so called "Scuffgate" thing to heart and demanded better quality control from Foxconn. Of course Foxconn in turn demanded better QC from their workers.... and it's lead to QC inspectors getting beat up and a strike in Zhengzhou. For better or for worse, you can't say Apple doesn't listen to their customers.
Foxconn Workers on Strike After iPhone 5 Starts Brawls
Foxconn Workers on Strike After iPhone 5 Starts Brawls