Unfortunately, in Europe in general the attitude toward the Jewish people is not like that here in the USA. Hungary is one of the places where antisemitism runs deepest. Hungarians, partly I'm sure for self preservation to avoid the fate of the Poles, were allied with the Germans in WWII. The attitude towards the Roma (Gypsies) is deeply ingrained as well. And to be honest the Gypsies keep separate and their community does have a reputation for thievery.
These are all things which existed before WWII and won't go away. European nationalism has a dark side which the Left tries mightily to identify the American Right with as well. But except for scattered groups like the Aryan Brotherhood and KKK (aka the militant arm of the pre-1970's Democratic Party) which any Conservative or Libertarian would completely disavow and despise, the shoe does not fit.
I am in entire agreement that American conservatism has little to nothing in common with European rightism, which is normally based on church-and-crown and/or blood-and-soil, neither of which have any real parallel here. (I have little familiarity with the Hungarian political spectrum.)
In fact, I would content that American conservatism is based on conserving the most radical doctrine in history, that people should be left alone as much as possible to run their own lives as they see fit. This is VERY different from European or any other variety of conservatism.