The reason this is news is because this kind of thing never happens in OC, after all you never see front page news articles about shootings in south side chicago because that stuff is not news, it happens every day
There has been a massive influx of Asians and Hispanics into Orange County, i.e. rich Democrats and poor Democrats. The Vietnamese are the only reliable Asian Republicans in the county but are far outnumbered by the Asians in the tech business who vote Democrat for the same self-defeating reasons as liberal Jews.