It's wrong to try to get someone fired.
Arthur is officemates with Kyle, who talks incessantly and annoys Arthur.
Arthur wants to get away from Kyle.
Arthur gets a coworker who's rarely in the office to switch with him.
Arthur tells his boss that Kyle is skimming money from the company.
Arthur has a much easier time getting his work done.
Arthur's boss investigates and fires Arthur when it's discovered he was lying.