He was a major narcissist without a doubt and stormfront manipulated that aspect of him. But is there any evidence that he was racist ?
Not a Narcissist.
A sociopath.
He doesn't feel anything.
He has to imitate normal things to pass as normal, or as close as he can get.
It's that constant emptiness eating away at him, that makes him struggle to build a normal life, that he has no capacity to enjoy.
A normal person feels disgust and rage when confronted by a NAZI.
Homelander feels nothing.