[T.B. Yoits]

The card scanner system should have had a function enabled to alert security and management if a card was scanned in for over X hours and not scanned out.

I've never worked for a company where the scan cards were used on exit. Not one.
I suspect it's for emergency egress. Exit turnstiles and exit doors didn't even have the card readers.

[hoosierham]

Then those companies did not have a proper card system.

I can say from personal experience of sites at P&G.Lazarus,and others that cards were used for exiting as well.Thus there was time tracking of all card holders.