I think it's a bit silly to gripe about a course being available. Just don't take the course! I understand proposing better alternatives on the list but I don't understand saying that the course shouldn't exist. Maybe the alternatives are better for most people, but for a few people the course is better!

Also Rails is non-trivial these days. I picked up rails back in pre-1.0, and followed it closely until around 2.3. It's way more nuanced than it used to be, and I'd imagine someone could find it very difficult to "pick up."