APPLE GUGRU STEVE JOBS is a miser who pays his engineers lower wages than all of his competitors.
According to data collected by Glassdoor, Apple pays its engineers significantly less than competing companies in Silicon Valley.
Apple engineers make an average $89,000 a year, while Google engineers get $112,573. Vole and Yahoo pay their engineers around $105,000 a year.
In his bog, Oren Hurvitz worked out that paying low salaries to its engineers was a lifesaver for Apple during its difficult times.
In 2003 and 2004 this made a huge difference to Apple’s bottom line. In 2003, these savings turned Apple around from posting a loss to a small profit. In 2004, they doubled the profit. However, once Apple’s earnings began to skyrocket in 2005, the salaries didn't go up.
Apple's official line on salaries is that its workers are happy to work for it because they produce products that 'people love'. However we don't notice this applying to senior executives at Apple, or even his holy Jobsness, who is paid huge amounts in shares and other perks. µ
Apparently you need to look up the meaning of sweatshop. I know what you're trying to say, but your headline is a bit exaggerated if not downright misleading.

If workers at Apple said they enjoy working there, then it surely cannot be called a sweatshop, because nobody enjoys working at a true sweatshop.

Just look at this wiki for what the word sweatshop really represents:
http://en.wikipedia.org/wiki/Sweatshop
If you know what he's trying to say, then why did you bother?
Wikipedia is not an authority.

Refer to dictionary.com

http://dictionary.reference.com/browse/sweatshop