Anyone with only the slightest knowledge of the rise of Hitler and the fascist movement clearly recognizes the Nazi salute when they see it. Elon Musk's unambiguous gesture at a Trump rally, according to Scott McGregor, a communications professor at the University of North Carolina, "has the hallmarks of what we call 'strategic ambiguity,' which is something that's also often employed by those on the right. It's aimed at different audiences who might interpret it differently. But the communicator stands to gain something from that."
https://www.wamc.org/2025-01-23/elon-musk-tried-to-turn-the-salute-controversy-into-a-joke 