This is often one of the more blatant ways the review process is de-anonymized. If a reviewer comes back saying you need to cite 3 papers all with the same auth

This is often one of the more blatant ways the review process is de-anonymized. If a reviewer comes back saying you need to cite 3 papers all with the same author, they're probably that author, especially if they're only tenuously connected to the paper.