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[MNRAS 544, 975 (2025)] proposed that correlations between SNe Ia luminosity and progenitor age could introduce a systematic bias in the inferred luminosities, leading to revised distance moduli in the Pantheon+ and DES-SN5YR compilations. Motivated by this possibility, we investigate whether the age-bias-corrected SNe Ia Hubble diagrams are consistent with the luminosity-distance relation $d_L=c/H_0\\,(1+z)\\ln(1+z)$. 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