Now before beginning my argument I would like to point out that I myself are not a neo-nazi, but I do believe that all have the right to keep their own political ideals.
Now, to quote the main topic. Yes, Neo-Nazis do not follow the actual racial idea that the Nazi Party did, but rather, a modified model of the ideology. But again to point out my main topic, you cannot say someone is an 'idiot' due to their beliefs.
For example, if a Atheist said that a Christian was an imbecile for believing in god, that would be met with the same reaction, which by the way, is wrong.
PS: The reason for me using the Atheist vs Christian model is due to the major controversy in the field.