Hang on, think for yourself isn't the same as thinking about yourself. There's a pretty significant difference.
You make your own decisions. Now, people should make those decisions based on loads of factors, including other people.
Like @Tubey said earlier, you don't go around punching people because it's not a nice thing to do.
So no, my way of thinking is in no way why people have guns in America, you've just completely misunderstood the point.
I've said repeatedly I'll still wear masks in crowded spaces, not because I need to be told to, but because I'm not an arsehole.
People shouldn't need the government to legally mandate them not to be awful, except in an emergency. The problem now is the definition of what constitutes an emergency - all the government has done is draw a reasonable line in the sand on this.