This used to hold broad cultural applicability, back in the Before Times when the "Hitler Did Nothing Wrong" crowd was still excluded from the political mainstream. Norms excluding out-and-proud ethnofascists from official, public participation in the English-speaking political right started to seriously slip around the time of Obama's election and certainly ceased to exist after Trump's win in 2016, but prior to that time "Nazi" was very much more often an ad-hominem attack than an accurate description of somebody's politics.