This is dumb. If Hertz closes down, other car rental companies will take up the demand, and Hertz employees will apply for jobs at those companies.
edit: and if people aren't punished at Hertz, those other car rental companies will see that the money to be made through bad behavior more than makes up for the costs if caught.
Amount of people employed should not factor in to decisions like this. Otherwise the government should prevent Amazon from laying off 20,000 if that's all that matters.
Consequentialist arguments aren't very good for punishing actors for bad behavior. For example, we don't let murders free just because the lives of their children are forever impacted if the murder goes to prison.
edit: and if people aren't punished at Hertz, those other car rental companies will see that the money to be made through bad behavior more than makes up for the costs if caught.