This quite possibly is the truth. But under normal jurisprudence no defendant would be allowed the final say in the truth of his own subjective claims. Facebook should know, if only intuitively, that objective, disinterested investigation is necessary. That means by outside sources which are not invested in Facebook.
Taken in context of other Facebook activities which seem to breech ethical principles such as privacy, the memorandum seems comprehensive yet not persuasive. And the lack of a disinterested investigation contributes to skepticism.
Too fat for Facebook: photo banned for depicting body in 'undesirable manner'Don't EVEN try to censor Feminists!
Facebook has apologized for wrongly banning a photo of plus-sized model Tess Holliday for violating its ‘health and fitness’ advertising policy