Isn't this why those jobs also have huge churn? The people who can get out, do. Leaving only those without the ability to find another job.

I know as a developer I have churned quickly when it turned out that "occasional overtime" meant constantly babysitting systems that were never finished, just patched together enough to run for a day without obvious disasters. That was the explicit metric in one place, they literally would not address a bug unless it caused the system to fail before the daily restart. "daily" meaning some developer had to wake up at 2am and remote in to manually restart a bunch of things in exactly the right order, then debug and fix any newly revealed problems (because this was also when new versions were started in production for the first time).

My record so far is less than an hour in a new job - I turned up for my first day and one boss was berating the other boss over the phone. As soon as they saw me they handed me the phone and ran out of the room. I got an earful before I managed to say "Hi, I'm psychlist and I was supposed to start working here today". I did actually let them talk me through fixing the immediate problem, then I hung up and walked out.

Don't work in those places. Just... don't.