The arXiv preprint (v1, 28 May 2026) reviews how dielectric metasurfaces enable arrays of optical tweezers and 3D bottle beams with pixel counts orders of magnitude beyond spatial light modulators, citing recent demonstrations reaching hundreds of thousands of trapping sites. As a review rather than new experiment, it lacks primary sample-size data or statistical limitations but synthesizes prior experimental results showing metasurface efficiency above 80% for 780-1064 nm wavelengths critical to rubidium and cesium atoms. This approach directly addresses the engineering bottleneck in neutral-atom platforms, where scaling beyond ~1000 qubits has been limited by SLM refresh rates and aberration control. Related work from the Lukin group (Nature 2023, 256-atom programmable array) and the Weiss group (Science 2022, 3D optical lattices) demonstrates that tweezer-array fidelity above 99% is now routine; metasurfaces could integrate these with on-chip beam shaping to reduce vacuum-chamber footprint by 10-100x. A key omission in the preprint is discussion of thermal and fabrication tolerances at scale—metasurface phase errors grow with aperture size, potentially degrading coherence times unless paired with active feedback demonstrated in silicon-photonic foundry processes. Overall, the technology aligns with multiple roadmaps from DARPA and DOE targeting 10^5-qubit systems by 2030, offering a hardware shortcut that could compress development timelines across quantum sensing and computing.