How would this model work for a startup where people often put in 60+ hours a week? It's fine to let public workers like the geriatric nurses in the article do

How would this model work for a startup where people often put in 60+ hours a week? It's fine to let public workers like the geriatric nurses in the article do 6-hour shifts as long as you have the budget to hire extra staffers to cover the lost hours. And, of course, that extra budget comes out of the pockets of private sector workers and businesses in taxes.