Not to sound like a union symphatizer but this is a tragic consequence of world ecomony. America is moving jobs overseas where lack of environmental regulation and worker safety is prevalent. Loss of human life is the price of that consequence.
Apple should ensure worker safety at contract manufacturers for their own benefit. With the razor thin margins Foxconn make, they may not be motivated much to spend on safety.
Apple, even before the explosion couldn't meet the demand of iPad2. At the place where I live, its sold out in most of the shops.