It is wrong to take away someone's income without notice.
Harold owns a store that has been losing money for a long time.
Harold wants to shut down the store.
Harold gives his employees a month's notice that he is shutting down.
Harold shuts down the store without telling his employees, leaving a note on the door.
Harold's employees are able to find new jobs and keep getting paid.
Harold's former employees are out of work and can't pay their bills.