There’s no such thing as a “white neighborhood”, as least in my area of the country. I guess he means neighborhoods that are predominantly white.
Rioters who take his advice may simply be increasing their odds of being killed by defensive fire. I think most of my neighbors are well armed now at home and are prepared to do what’s necessary to protect themselves and their loved ones. I know I am and I keep my family well trained for the highly unlikely event of a home intrusion here.
There’s a neighbor on my street that if things get ugly I’ll scurry over there.