The whistle-blower only brought to light what we have known previously, Facebook is a net loss for humanity.
Letting people contect with family and long lost friends is good.
Purposefully pitting people against each other, human experimentation https://www.forbes.com/sites/kashmirhill/2014/06/28/facebook... , creating hateful echo chambers, claiming to be the source of all facts, manipulating users for engagement and ad revenue is bad.
The low effort posts could signify a loss of cultural cohesion or new accounts, but Facebook and its children fading from the public would be a gift to many addicts.