Sounds like the Cessna pilot had some 'splaining to do. In the audio, you hear him confirm an assigned 015 heading. Take a look at the trace history on the radar playback, though:
(Source: Video from ClickOrlando news article linked above)
Despite what the producers/writers working for the news station claim (because we all know how intelligent the media is when it comes to reporting anything related to aviation), that sure doesn't look like the Cessna's course "appeared off only a fraction." Seems like he blew through the assigned 015 and briefly settled (before the traffic alert / immediate 360 heading) on something more like 090.