Lumping them together is a cheap tactic to aggravate people, which I think it's dishonest and not very effective.
True, American racists are, for instance, quite often neoconfederates. OTOH, the Confederates were among the direct inspirations for the Nazis, so in a sense that makes those racists Neo-Proto-Nazis.
True, American racists are, for instance, quite often neoconfederates. OTOH, the Confederates were among the direct inspirations for the Nazis, so in a sense that makes those racists Neo-Proto-Nazis.