Yes, but in this case, they’re trying not to reveal anything at all about the whistleblower’s identity.
Yes, but in this case, they’re trying not to reveal anything at all about the whistleblower’s identity.Makes sense but I doubt that was the motive. Actually, "himself or herself" would be directly ambiguous and thereby more clearly hide the gender of the whistleblower -- and without destroying the specificity of grammatical convention.