Its not stupid to love your own country.
Just because the Germans took it a bit too far, and did something,
Doesn’t mean nationalism is horrible.
Further there is no such thing as a globalist culture, or anything globalits can point to and say “one must thank globalism for this contribution to humanity.”
The Nazis were not Nationalists, they believed in a European order, just with Germans at the top of the food chain.
Goebbels even said “The NSDAP is the German Left. We despise bourgeois nationalism.”
“Just because the Germans took it a bit too far, and did something. Doesn’t mean nationalism is horrible.”
They were internationalist anyway, just like communists. Part of nationalism is respecting other nations just as they wish to be respected.
Germany was an expansionist entity.