If workspaces are as much a community as anywhere else, the fact that the rot starts at the top should be the most major concern. People taking sick days seems like it falls way down the list of concerns in trying to get the American workspace ethical and overcome the tyranny of the untrustworthy (employers) of which you speak.
https://www.epi.org/publication/epidemic-wage-theft-costing-...
"In 2019, the total cost of every robbery in the country was $482 million. The cost of wage theft was more than 100 times that number." https://www.workingnowandthen.com/blog/wage-theft-the-50-bil...
"More than $1.5 billion in stolen wages recovered for workers between 2021 and 2023" https://www.epi.org/publication/wage-theft-2021-23/