A new radio-polarimetric report of the Milky Way halo (Landecker, Hill, et al., 2026) describesa surprisingly intricate yet coherent magneto-ionic topology with high Faraday complexity, whereconventional expectations favored either turbulence-dominated disorder or large-scale simplicity.We interpret this result through the MetaTime v36.0 framework [1], which splits the effectivedark sector into passive Latency (ρL, effectively cold) and active Inference/Execution (ρI , negativepressure) coupled by an exchange term. In this lens, the organized halo is a Latency Mantle: alow-dissipation, state-bearing substrate (“Fossil Mass”) that stores long-horizon dynamical historyand provides a routing geometry for galactic-scale coherence. Faraday complexity is then not anuisance but an observable of information density: the measurable imprint of structured state inthe vacuum/plasma backplane. We outline falsifiable tests relating Faraday-depth topology statisticsto the dynamical mass-discrepancy field, providing a non-particulate alternative interpretation of“dark matter” phenomenology.