You've seen the claim in every Ruby thread for the past year. Ruby and Rails are the most AI-friendly stack. Fewer tokens, less hallucination, the model just writes it cleanly. Half of that claim I'll concede without a fight . The other half I measured, across thirteen real Ruby codebases, and that's where a line shows up, sharp enough to put every repo on one side or the other. Including yours. The half that's true: writing Ruby is solved Start with the part that holds up, b...