Truth is, Trump doesn't have to denounce hate groups. I'm not sure Trump can do anything, short of killing someone's parents with his bare hands, that would get his followers to say "Ehh, I'm not too sure about Donald."
His sycophants, like you, are not going to find fault in any of his actions. It's Obama II. Fortunately, I think Obama had more so Trump may not become President. Which, quite frankly, I have no idea if that's good or bad considering the other option.