There was no law about revenge porn, either, until it became a societal issue. Most things we ban or regulate when they become a problem.

The Founding Fathers existed in a time where gun control was “they are big, heavy, and don’t shoot very fast”. That they did not anticipate a Glock with a 100 round drum is fairly understandable.

You said people couldn't own cannons. There doesn't seem to have been a law against cannon ownership. You're now moving the goal posts.