That's about it. Mandatory 12 hour days, 6 days a week.
The other problem is that because so much of our manufacturing jobs have left the country and that means we have less people that know how to perform certain manufacturing jobs. This is why I think companies are trying to get their present workforces to learn more skills. It cheaper than hiring, dumping and hiring and dumping people that cannot be taught or fail to learn how to do the job correctly.
I worked at electronics recycling facility that had a lot of those long days due to the terminally stupid AA hires the facility manager insisted. A lot of them couldn’t read or write very well and organizational skills were barely there on a good day.
The “management” preferred to burn out temps as fast as they could hire them. They might last a day or up to a few months.