exposure may be a factor but you're willfully ignoring rampant far-right online radicalization
And, Georgelemental clearly labeled what he said as his "perception". It seems a bit unreasonable to ask for a source for something as weak as a perception. (And, adding more question marks doesn't make it any more reasonable.)
He really did seem to be maximizing attention more than anything else.
This last guy they made a big deal about was literally a jew (mother was a jew, he attended a synagogue etc) by the way. They say Hitler was a jew so I guess that's how you can tell the real Nazis apart from normal homophobes. /s