Yes, the suppliers are faking the hours. They show this in the film.
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rIt should make you rethink buying any electronic product whatsoever, since Apple's supply-chain audits are, though insufficient, by far the most thorough of any company (since they face the most scrutiny).
Rather, I would say, "it should make me rethink buying any electronic product _not manufactured in the US or other developed world countries that have much higher, stricter standards on labor conditions_..."
Not everything is manufactured in China (though I certainly don't know of any laptops not made in China, and only a select few phones.)
edit: oh, and also, my main point was "how good are those audits?"
The audits are probably pretty bad, but also probably better than the audits that less scrutinized companies do.
What consumer electronics products are manufactured in the US... not counting "final assembly" in the US where the PCBs come in fully populated from China and are screwed into the enclosure in the US?
What type of data integrity system does Apple have set up to make sure that these are truly the case? With 1 million workers and multiple companies (and all the suppliers) does Apple truly have an independent employee (unaffected by any pressure from factory management) at every factory to watch over the labor standards? I kind of doubt it.
But yes, 60 hour work weeks, how noble of Apple. "Thank you sir, may I have another?" Personally, this really does make me rethink buying an Apple product.