Since he hasn't found a job yet, any sort of criminal records would be fatal for his future career. On the other hand, as for Sir Hun-cha, that wouldn't make any trouble carrying on his current profession; he's working as a freelancer at the moment. On top of that, it is very unlikely that Sir Hun-cha will be indicted on the charges that Go-han is accusing him of, in that Go-han has little knowledge of the legal process and there is no hard evidence that Sir Hun-cha insulted some of Go-han's family members -more precisely, his mother -in public.