Comment on "Using an atom interferometer to infer gravitational entanglement generation''

Understand

Our paper arXiv:2101.11629 contains a technical error which changes some of the conclusions.

• We thank Streltsov, Pedernales, and Plenio for bringing the essence of this error to our attention.
• Here we explain the error, examine its consequences, and suggest methods to overcome the resulting weakness in the proposed experiment.