It’s like someone scratching their head with their extended middle finger, and when you ask “Hey, were you flipping the bird at me?” they smile and reply, “Maybe I was, maybe I wasn’t.”
Whenever this little “habit” came up in threads, some people would complain about how trolly and irritating it was, and others would insist that it was a merely a cordial signoff and they simply couldn’t imagine how anyone could POSSIBLY think otherwise. I’m sure Shodan enjoyed this immensely.