Who on earth thinks the buddhist swastika is a German nationalist symbol? Oh, right, everyone who saw Nazis use it. Turns out that when one group uses a symbol to represent themselves, that symbol becomes associated with them. Go figure.

In this case it's not even "a symbol represents who it is used by". You literally linked to an article that espouses about how it's a symbol of the Crusades, i.e. united Christendom coming together to slaughter non-believers, in other words it has always been a symbol of hatred.