No, it's not possible to appreciate and respect the good aspects of national socialism and the third Reich, in any way, shape or form, as there are NONE!
You know that the "shipment" of Jews to concentration camps started long before the war broke out, right? The outright extermination of them began when the war broke out, yes. It continued through the war and afterwards. The homosexuals were not liberated with the Jews, but put back in the concentration camps again.
The industry-like killings of Jews (and others) in the extermination camps were particularly unique.
It was still the National "Socialism" which stated that some of our fellow human beings are not really human beings. That is the beginning of dehumanization which is needed in order to later carry out mass-murder on the scale that the Holocaust entailed. The only reason the NSDAP seemed to fix the economy was because they removed Jewish-German citizens and replaced them with unemployed non-Jewsh German citizens. Ta-DA! Unemployment was suddenly fixed! The fact that the Jewish people were now unemployed instead (or were worked to death in concentration camps) wasn't mentioned. The Nazis used the words "socialism" and "worker" in their party name to lure the working class in, to deceive them into thinking that the NSDAP were working for their good, when it was a ultra-right wing conservative party to the core, just as the fascist party in Italy at the time.
The Nürnberg trials said, once and for all, that Nazism is a very, very bad ideology.
The Nazis are not in power in Sweden, thank the Powers that Be, but they are still marching, donning uniform-like clothing, carrying plastic shields in the marches, threatening openly that they will string their enemies from lampposts "when they have seized power". That is NOT a good ideology, in any sense. They say "We ARE the people", but they represent less than 20 percent of the population. The rest of us, over 80 percent, are Traitors to the People, in their eyes. They, like Hitler and a certain orangey clown Over There, see the Free press as liars.
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(Legend on lamppost says "Reserved for Traitors".)