We did that in our little terminal. We are the NDXP covering Central East coast and Midwest. Operated without a night time supervisor for years,.......guys had their own computer passwords. Worked perfectly....Saved the company from having to hire a managerial baby-sitter........
When I was hired at ABF 25 years ago,....I was told that "ABF doesn't hire children.." We know what the job is, and what the work is,.......and, way back then,.....management didn't question your decisions....
I think the idea of GPSing the company phones and cars,......would be quite revealing. Many of us rank-and-filers,.....(the sweaty ones,...in case you're a management-type....)......suspect there's a lot of........"deadwood".....(.there's a ...polite..term).. in company management, nowadays........