The arXiv preprint (abs/2606.02761, June 2026) presents microscopic calculations showing that altermagnetic Josephson junctions can simultaneously improve anharmonicity and protect transmon qubits against decoherence near 0-π transitions and in φ-states. Because the work is purely theoretical and contains no experimental data or fabricated devices, claims of near-term hardware impact rest on model assumptions about the Néel field strength and interface orientation. The authors propose using strain to toggle between a protected regime and faster gate operation, an idea that extends earlier theoretical suggestions for tunable spin-orbit qubits but adds the altermagnet’s momentum-dependent spin splitting as a new control knob. Related experimental literature on altermagnets remains limited to transport and neutron studies (Šmejkal et al., Phys. Rev. X 12, 031042, 2022), while coherence gains in hybrid superconducting systems have so far been demonstrated only with conventional ferromagnets or spin-orbit semiconductors (Casparis et al., Nat. Nanotechnol. 13, 915, 2018). The present calculations therefore fill a gap but inherit the same limitations seen in prior modeling: idealized interfaces and neglect of quasiparticle poisoning channels that dominate real devices. If strain tuning proves viable in experiment, the approach offers a concrete materials substitution rather than a new qubit architecture, potentially shortening the iteration cycle toward usable processors.