Saying “I give you my heart” and then making a gesture of giving the crowd your heart is not a “nazi salute”. If that is a nazi salute then Hillary Clinton and Alexandria Ocasio-Cortez have both given “nazi salutes”.
Like, I know an erudite person (“Bill”) who uses the word “niggard” as defined (miser), without any ill intentions whatsoever. Maybe there are edgelords who intentionally use it because of its similarity to you-know-what, but not this guy. If someone did try to convince me that Bill says it to be an edgelord, and told me to try using it myself and see how people react, I would no doubt get falsely accused of using it in a bad way myself. That wouldn’t convince me that Bill has bad intentions, it would only reaffirm my existing belief that people can misinterpret innocuous things.