GitHub has chosen to appeal to the centroid of its perceived potential userbase. That includes a certain amount of common-decency policing of content others cho

GitHub has chosen to appeal to the centroid of its perceived potential userbase. That includes a certain amount of common-decency policing of content others choose to host on its service. They'd rather lose a few Automatic1111's than have schoolteachers telling students "Don't go on GitHub, it's not safe" (or having school administrations ban its use).