Agree with your take on it. I think the issue is the guy is 100% about white nationalism and saving his people's culture and society, so everything he looks at is through that lens. Because of this, to him it looks like JP dropped the ball—the most important ball: speak the "truth" about THE JEWS.
For the record, I think the Jewish question is interesting, but I don't answer it with an Semitic view. I think their flourishing is yet to be truly understood.