Elon Musk didn't author the week's robotics conversation — he just organized it. A sardonic catalogue of his unkept commitments pulled broader engagement than a humanoid learning tennis through live human sparring [14] or NVIDIA and FANUC announcing coordinated physical AI deployment across industrial systems . That asymmetry is the story: Musk's accumulated forecast failures now function as a standing attractor that redistributes attention from technical development to credibility accounting. The SXSW pairing of Cybercab and Optimus fed this loop rather than breaking it — every public appearance becomes…