The arXiv preprint (v1, May 2026) from Ertugrul Basar outlines a coordinated optical BB84 QKD link paired with a wired KLJN statistical-physical channel for basis handling and selective raw-key generation. Unlike pure QKD systems that rely on public basis disclosure and sifting, the three proposed KLJN-assisted protocols suppress these steps, yielding analytical expressions for normalized key rate that factor in optical attenuation, KLJN bandwidth limits, and synchronization overhead. Numerical evaluations indicate throughput gains for short-haul metropolitan and data-center links. This work is a theoretical preprint without peer review or empirical hardware validation; no physical testbed or sample-size measurements are reported, and ideal KLJN assumptions (zero information leakage under thermal equilibrium) remain unproven at scale. What prior coverage overlooks is the architectural synergy with NIST post-quantum standardization efforts and the 2022–2025 wave of metropolitan QKD trials in Europe and Asia, where classical fallback channels already exist. By treating KLJN as an active cryptographic primitive rather than mere side-channel mitigation, the scheme creates a hybrid security model that blends information-theoretic quantum guarantees with classical physical-layer secrecy. Related analyses appear in Bennett and Brassard’s 1984 BB84 framework and Kish’s foundational KLJN papers, which together highlight how statistical fluctuations can complement photon-based protocols. Remaining gaps include joint security proofs against correlated attacks and integration latency in software-defined networks.