2) This isn't an iPhone assembly line.
3) NY Times shouldn't be publishing BS a week after it has been dismissed as BS http://www.theverge.com/2012/9/6/3297995/forced-to-work-on-t...
4) NY Times acknowledges that their source is BS by quoting another media outlet mentioning that it is a cable assembly line.
5) I can't comment on the electronics industry but such practices are very common in China as the vocational schools are actually ran by major manufacturers.
I'll go with Foxconn - you shouldn't be accepting contracts from multiple vendors if you don't have the manpower.