"Free speech" in relation to constitutional law, and "free speech" in the sense of what people appeal to when getting in trouble with a fellow member of civil s

"Free speech" in relation to constitutional law, and "free speech" in the sense of what people appeal to when getting in trouble with a fellow member of civil society for something they've said have absolutely nothing to do with each other. When I encounter someone on the internet who doesn't know the difference (or, worse, doesn't think there is or should be a difference), I immediately picture that person as a teenager.