Not sure what any of this has to do with athletes peacefully raising awareness. Also not sure what Philando Castile, Brianna Taylor, and the others that neither of us has heard of should have done differently.
Because every time there's a George Floyd situation, the vast majority of the other 95%, along with the conservative masses, stretch themselves to great lengths to defend the Derek Chauvins and blame the victim. Justice is excruciatingly rare when it comes to police brutality. Fortunately, that is slowly starting to change thanks to movements like BLM.