I have a different take from the writer.

I think what is central needs to be the focus, that the key, causative part of the mechanism needs to be the focus.

Fundamentally, those angry white terrorists are simply racists, they simply hate black folks, they want black folks to go away from their neighbourhoods, by force if need be.

In other words, I see their subsequent talk about protecting the rights of white people, that talk is simply the maladaptive and derailed product flowing out from what I mentioned above. What I described above - racist hate - is what really drives them, that is what sits at their core. Their feverish talk of white peoples' rights is just a symptom of the above disease mechanism that underlies their sickness.

And so I find the columnist's chosen emphasis to be a bit off. There is no point trying to debate much their febrile talk of white rights, or to square off that spew as if it occupies some level worthy of debate. They do what they do because they hate.