查了维基百科 纳粹旗帜在美国是合法的
The public display of Nazi flags is protected by the First Amendment to the
United States Constitution which guarantees the right to freedom of speech.
https://en.wikipedia.org/wiki/Post%E2%80%93World_War_II_legality_of_Nazi_flags

台湾啥时要立法禁止纳粹的任何象征啊？这样战车少女会被禁止进口

还要讨论吗？不就一些无聊人士在那边跳脚以为多严重