The LMU/MPE study models moons ejected with free-floating planets (FFPs), showing hydrogen-rich atmospheres via collision-induced absorption can sustain liquid water for 4.3 billion years alongside tidal heating from eccentric orbits. This theoretical work relies on climate and orbital simulations rather than direct observations, with no empirical sample size and key limitations including assumed atmospheric pressures, moon compositions, and neglect of cosmic ray or galactic radiation effects. It builds on but surpasses earlier carbon-dioxide models (limited to 1.6 Gyr) by addressing CO2 condensation in cold interstellar conditions. Original coverage underplays connections to galactic demographics: microlensing surveys (e.g., Mróz et al. 2017, Nature) indicate FFPs outnumber stars, implying vast hidden habitable real estate. It also overlooks parallels with prebiotic chemistry on early Earth, where transient H2 from impacts (Zahnle et al. 2020, Astrobiology) may have driven wet-dry cycles—exactly the tidal flexing mechanism here. Synthesizing these, the research reframes life's prevalence: if moons around rogue worlds persist this long, abiogenesis need not require stellar proximity, expanding the Drake equation parameter space and challenging star-centric biases in exoplanet surveys. Methodological gaps remain, such as untested stability of H2 envelopes over Gyr timescales under varying FFP masses.