This is true, but it will be a cold day in hell before blacks and Hispanics fight side-by-side. I guarantee you that.
The most competent people at warfare are far and away Northwestern Europeans, closely followed by Japanese. Conscious constraints them, not fear. Be careful what you ask for.
They are killing each other in LA, have been doing so for some time now. The LA Times has been told to lay off reporting it. Some radio stations report it.
Having said this though, they could possibly get together in a mutual hatred of whitey.