Spam, denuncias, conteudo n relacionado, fake news, titulos sensacionalistas ou click bait, imagens muito sugestivas, conteudo dos links editado, etc, etc. Eles respondem se contestares.
Exemplo:
Your Page has been unpublished for causing people to like or engage with it unintentionally in a misleading way. Our Page Terms state that: 'Pages must not contain false, misleading, fraudulent, or deceptive claims or content.’ All Pages must comply with the Facebook Page Guidelines.