It is also the opinion of the people who wrote the built-in webserver. If you try to run it in production mode, it'll emits this warning on startup: > WARNING:

It is also the opinion of the people who wrote the built-in webserver. If you try to run it in production mode, it'll emits this warning on startup: > WARNING: This is a development server. Do not use it in a production deployment. > Use a production WSGI server instead. I don't expect junior devs to have a sense for what is production-grade and what is not, but if they try to ship software that explicitly warns against being used in production, you've got a real liability on your hands.