Turing's parrot — Anthology: A Treatise on SDD vs BMAD

SDD and BMAD aren&rsquo;t rival products — they&rsquo;re two harnesses around the same probabilistic parrot: SDD writes intent as a living, verifiable contract, while BMAD routes work through personas and phases. But a persona is a costume, not a second mind, and no green checkmark moves the accountability off the human who merges the PR. My call for mid-2026: lean SDD, and treat BMAD as a…