If it was standalone event you could perhaps argue it was accidental. But the fact that he is supporting Afd who had done similar things in the past where they run a campaign, and make nazi symbolism in such a way that it would be barely legal, but at the same time obvious to everyone what they are referring to, it is pretty damning.
I'm curious if you know what a Nazi salute looks like? Make a comparison by looking it up, he does the salute twice.
Of course you can argue in bad faith because it costs you nothing to be wrong but does that imply you are promoting this behavior? Seems like the obvious implication
The media is outraged because a duck quacks like a duck