They aren't, so never. 

 Prove it. 

 And PF doesn't make it a point to go out of their way to paint over swastikas either. They covered the NSC tag, because the NSC tag had been used to cover PF's stencils. That simple really. 

 There's nothing to denounce. PF members covered up a tag that was placed by NSC131 on top of previously placed PF stencils. That's all this was. 

 Patriot Front doesn't allow non-whites to be members. Their manifesto literally says that non-whites can't be Americans, that being American requires that a person be of European descent.