Python http.server isn't particularly secure by default.
I don't understand why you keep ruminating about Django, which is obviously irrelevant as a comparison. If you want to use Django as a point of comparison you'd need to compare with Laravel.
Laravel is how you learn web development with PHP. It's the Django equivalent.
You wrote something about how "people" do web development in Python, I don't see the relevance to your decrepit comparison.
Everyone that starts building computer network services is dangerous for about 5-10 years regardless of what tutorial material they initially come across. If not longer, since it takes a long time to internalise the protocols, client platforms, server platforms, relevant network layers, common threat vectors, and so on.
I don't understand why you keep ruminating about Django, which is obviously irrelevant as a comparison. If you want to use Django as a point of comparison you'd need to compare with Laravel.