Public display of Nazi flags is illegal in many European countries:

https://en.wikipedia.org/wiki/Bans_on_Nazi_symbols

Germany and most of Central Europe are quite culturally conservative. They spend a lot of effort ensuring a stable and orderly society, up to and including prosecuting inflammatory speech and support for causes against the national/public interest.

Many Americans would see this as socialism, but the motivation is not equality, its stability and continuity of the status quo: ergo conservatism.

It’s not a system I could live under because I’m not super good at fitting in with people, but I see it’s merits.

I would say it has more to do with their history. It's kind of a special part of their history and it doesnt mean the rest of europe should adopt the same attitude

In most of Europe:

https://en.wikipedia.org/wiki/Bans_on_Nazi_symbols

Not most - a lot of european countries are missing from that list

https://en.wikipedia.org/wiki/Swastika#Legislation_in_other_...

13 countries is not "most of Europe". There are way more countries where it is legal.

That list is not complete. As example it is illegal in Slovakia while not in that list.