I doubt most Americans even remember who David Duke is.
If he were not mentioned in Seinfeld reruns he surely would have been forgotten by now.
And most of those who do remember him think he is dead.
I wrote that nobody remembers Duke on another thread. The only person who disagreed was one who said that he’s dragged out by journalists every time we have a Republican frontrunner! But I haven’t seen Duke on tv since the early 90s.