Successful? Yes.
Exploitative? Of course.
Why else would anyone go to the China market if not to exploit cheap labour.
http://articles.washingtonpost.com/2013-09-06/business/41819679_1_supply-chain-apple-s-kristin-huguet
This is not the first time Apple has run into these kind of problems, mind.
Trying to capture the Asian market is a politically correct way of justifying moving operations to China.
Imagine the CEO issuing a press statement telling the consumers we're doing it to cut costs and maximise profits.
Not to say it doesn't count at all, but at the end of the day, it is about cheaper labour, cheaper materials, good infrastructure, stable government.
When you build a factory, especially one with lots of equipment, these are important factors to consider.
I dare say Africa, Indonesia and Bangladesh do not fulfill at least 3 of the above criteria.