Its so difficult to put forth effort when the basis of their beliefs are rooted in power dynamics and conformity.
If you want people to accept your point of view, the burden is on you to articulate it. There's a lot of this "people should just see it the way I do" attitude floating around the internet.
I have seen interviews where Sowell discusses how he started out as a Marxist, but when he started looking at evidence that's what changed him. Is it fair to say that he doesn't understand left-wing ideology?