Yes, ALL black lives matter because every life matters! Here is some evidence illustrating how "mainstream" advocates for preservation and protection of the lives of black people are suspiciously selective in which black lives they defend.

Read how this Black American Pastor, Rev. Clenard H. Childress, Jr., is exposing how many black lives never make it outside of their mother's womb:
Link: http://blackgenocide.org/planned.html
Link: http://blackgenocide.org/home.html
Link: https://www.youtube.com/watch?v=-ihSf7VDmAc&t=19s

Learn more about the vulnerable black lives in grave danger in Nigeria:
Link: https://healnigeria.org/our-story/