Beyond the things in the vid that Ed posted up, if this was the case, then surely there'd be examples of other people doing seig heil's by accident... but there isn't, and what the vid showed was the pictures people have pulled out of obama/clinton/harris appearing to seig heil but when you see the video there's absolutely no question or possibility of that being what it was.
And if it was, why not apologise and explain? Why make these cringy edgelord jokes?
nah, he knew what he was doing and that sentence would provide enough cover to be able to neither confirm nor deny and keep snickering away at the reactions he's causing.