A new preprint (arXiv:2605.28941) uses 12,193 RRab stars in the LMC with Gaia DR3 parallaxes and globular-cluster zero-points to derive mu_LMC = 18.423 ± 0.002 (stat) ± 0.020 (syst) mag, achieving the claimed 1% precision. This Population II route deliberately sidesteps Cepheids, offering an independent rung that could sharpen H0 constraints. Methodology relies on optical Wesenheit Leavitt laws with full covariance propagation treating calibration errors as correlated systematics; geometric barycenter corrections remain below 0.003 mag. The result sits 0.054 mag (1.7 sigma) below the Pietrzyński et al. (2019) detached-eclipsing-binary benchmark yet aligns within 0.024 mag of TRGB values on the same cluster scale. Limitations include dominant systematic floor from the absolute calibration and noted offsets between RRc/T2Cep and RRab relations that differ from globular-cluster calibrations. Mainstream coverage rarely quantifies how this anchor tightens the distance ladder at the 1% level, potentially reducing H0 tension leverage from LMC systematics while refining galaxy-evolution models of the LMC's planar structure (i = 21.3 ± 0.7 deg). Cross-checks with Riess et al. (2022) SH0ES analyses highlight how Population II consistency could isolate whether the tension originates in Cepheid physics or late-Universe physics.