The Black Lives Matter organization explicitly states it seeks to "disrupt" the "nuclear family structure." In this, BLM is no different from countless other Marx-inspired organizations which seek to destroy the family as part of the "patriarchy."
Ultimately, we need not rely on the government (i.e., the “king’s men” putting Humpty-Dumpty back together again). People acting freely in a marketplace could do it all by themselves. If only the government would let them.