why do tv movies always do this

Its a known fact that he was having an affair and possibly fathered a baby with his assistant he was having an affair with, who incidently was cheating on her spouse as well. why do television movies make the dead one look like an angel. He was no angel, he was a cheating, womanizing ass of a human being. He didnt deserve to be killed like he was but the least tv can do is tell the real truth about him.