An example I would suggest is the push for "always more" no matter how much has been given.
Employer: "Great job succeeding in delivering our release death march on time! You are all the best!"
Us: "Comp time to rest?"
Employer: .oO(awkward choice employee...) "You agreed to a full time position, it will be fine for you to work your normal 40 and do make work."
That I've experienced almost that directly. Not in every role but it did happen. That particular company lied to me about the role too so I ended up leaving.
The thing that concerns me is that we start with these overly strong statements. The next stage is some of us become convinced of them. After that some of those transition to believing companies are obliged to them and start behaving accordingly. But these beliefs are bad for business and everyone involved. They create iterative counter solving games that reduce satisfaction and productivity. While I've always done my best by my employers, the concrete delivery of that effort has varied based on external factors but mostly the health of the work environment. No one has gotten as much of of me as startups that set a clear goal and let me work.
It may be beneficial to the company to save overall "company time" at expense of wasting time for many individual employees, but I don't think this analysis accounts for the costs of people leaving or being fired. Both of those are very costly, but they're step changes and hard to attribute to any specific cause.
Do you work in HR?
Think about what the average salaried person (especially outside of tech) might get dinged on either explicitly or implicitly. Come in at 10:00 every day? Not being "seen" enough in your seat or around the office? Not replying quickly enough in Teams/slack? Jira/Github statistics? These are not things that do not reflect a salaried worker's output but you're still getting evaluated by them on an minute by minute, hour by hour, day by ay basis.