" Black Lives Matter is a textbook example of how not to build solidarity. There is no denying that by publicizing and protesting police mistreatment of African-Americans the movement mobilized supporters and delivered a wake-up call to every American with a conscience. But there is also no denying that the movement’s decision to use this mistreatment to build a general indictment of American society, and its law enforcement institutions, and to use Mau-Mau tactics to put down dissent and demand a confession of sins and public penitence (most "

― Mark Lilla , The Once and Future Liberal: After Identity Politics