The German ambassador answered that he had never seen this debate in Germany.
I wanted to know if there could be some younger crank the ambassador didn't know yet.
There surely isn't an academic debate about that and I have never seen it outside the internet. Of course, we also have internet-libertarians and internet-conservatives who want to push this narrative. The first ones to declare "All statism is created equal" and the others to relieve and whitewash their own ideology.
But there are differnces. Some have heard of Georges Sorel as a source of Mussolini's thinking and so National Socialism as a variety of Fascism has to be left-wing. Others try to argue that Fascism is only an Italian movement and the Nazis are not fascists, but somehow socialist. And one crackpot came up with the idea that National Socialism was invented by the Czechs because...well, they had the Československá strana národně socialistická which name could be translated to "national-socialist".