The arXiv preprint from Kiefer presents a 50-minute, five-activity module explicitly mapped to six documented conceptual barriers in physics education research, including treating superposition as physical splitting or conflating coherent states with classical mixtures. Designed around backward mapping from barriers to prompts and rubrics, the package supplies notebook-ready simulations and grading materials for two-state systems. As a preprint without peer review or reported classroom trials, it offers no sample size, pre/post data, or instructor feedback metrics, limiting claims of rapid adoption. Related work by Singh and colleagues (Am. J. Phys. 2016) on basis-change errors and by McDermott's group on finite-sample misconceptions shows these barriers persist across institutions yet require iterative refinement through multiple semesters of data. The preprint's strength lies in packaging rather than innovation, yet it overlooks instructor preparation time and equity issues when simulators assume uniform student access to devices. A deeper pattern emerges when viewed alongside the 2023 National Academies report on quantum workforce development: without embedded assessment loops, such modules risk becoming static downloads rather than evolving tools. Limitations include reliance on a single class meeting and absence of longitudinal tracking for retention of coherent superposition concepts.