In an era when sovereign debt has crossed the $40 trillion threshold, the U.S. Treasury's attempt to soothe a restless bond market through increased buybacks has met the oldest of market truths: institutional gestures cannot long outrun structural forces. Within days of the intervention's announcement, 30-year yields clawed back toward 5.3%, as inflation anxieties, questions of Federal Reserve credibility, and a flood of corporate issuance proved larger than any single policy lever. What began as an effort to calm now risks accelerating the very turbulence it sought to quiet, with the Fed and